This is the 4.14.249 stable release

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Merge 4.14.249 into android-4.14-stable

Changes in 4.14.249
	ocfs2: drop acl cache for directories too
	usb: gadget: r8a66597: fix a loop in set_feature()
	usb: musb: tusb6010: uninitialized data in tusb_fifo_write_unaligned()
	cifs: fix incorrect check for null pointer in header_assemble
	xen/x86: fix PV trap handling on secondary processors
	usb-storage: Add quirk for ScanLogic SL11R-IDE older than 2.6c
	USB: serial: cp210x: add ID for GW Instek GDM-834x Digital Multimeter
	staging: greybus: uart: fix tty use after free
	Re-enable UAS for LaCie Rugged USB3-FW with fk quirk
	USB: serial: mos7840: remove duplicated 0xac24 device ID
	USB: serial: option: add Telit LN920 compositions
	USB: serial: option: remove duplicate USB device ID
	USB: serial: option: add device id for Foxconn T99W265
	mcb: fix error handling in mcb_alloc_bus()
	serial: mvebu-uart: fix driver's tx_empty callback
	net: hso: fix muxed tty registration
	bnxt_en: Fix TX timeout when TX ring size is set to the smallest
	net/mlx4_en: Don't allow aRFS for encapsulated packets
	scsi: iscsi: Adjust iface sysfs attr detection
	thermal/core: Potential buffer overflow in thermal_build_list_of_policies()
	irqchip/gic-v3-its: Fix potential VPE leak on error
	md: fix a lock order reversal in md_alloc
	blktrace: Fix uaf in blk_trace access after removing by sysfs
	net: macb: fix use after free on rmmod
	net: stmmac: allow CSR clock of 300MHz
	m68k: Double cast io functions to unsigned long
	xen/balloon: use a kernel thread instead a workqueue
	compiler.h: Introduce absolute_pointer macro
	net: i825xx: Use absolute_pointer for memcpy from fixed memory location
	sparc: avoid stringop-overread errors
	qnx4: avoid stringop-overread errors
	parisc: Use absolute_pointer() to define PAGE0
	arm64: Mark __stack_chk_guard as __ro_after_init
	alpha: Declare virt_to_phys and virt_to_bus parameter as pointer to volatile
	net: 6pack: Fix tx timeout and slot time
	spi: Fix tegra20 build with CONFIG_PM=n
	arm64: dts: marvell: armada-37xx: Extend PCIe MEM space
	PCI: aardvark: Fix checking for PIO Non-posted Request
	PCI: aardvark: Fix checking for PIO status
	xen/balloon: fix balloon kthread freezing
	qnx4: work around gcc false positive warning bug
	tty: Fix out-of-bound vmalloc access in imageblit
	cpufreq: schedutil: Use kobject release() method to free sugov_tunables
	cpufreq: schedutil: Destroy mutex before kobject_put() frees the memory
	mac80211: fix use-after-free in CCMP/GCMP RX
	ipvs: check that ip_vs_conn_tab_bits is between 8 and 20
	mac80211: Fix ieee80211_amsdu_aggregate frag_tail bug
	mac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap
	sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb
	hwmon: (tmp421) fix rounding for negative values
	e100: fix length calculation in e100_get_regs_len
	e100: fix buffer overrun in e100_get_regs
	scsi: csiostor: Add module softdep on cxgb4
	af_unix: fix races in sk_peer_pid and sk_peer_cred accesses
	ipack: ipoctal: fix stack information leak
	ipack: ipoctal: fix tty registration race
	ipack: ipoctal: fix tty-registration error handling
	ipack: ipoctal: fix missing allocation-failure check
	ipack: ipoctal: fix module reference leak
	ext4: fix potential infinite loop in ext4_dx_readdir()
	net: udp: annotate data race around udp_sk(sk)->corkflag
	EDAC/synopsys: Fix wrong value type assignment for edac_mode
	ARM: 9077/1: PLT: Move struct plt_entries definition to header
	ARM: 9078/1: Add warn suppress parameter to arm_gen_branch_link()
	ARM: 9079/1: ftrace: Add MODULE_PLTS support
	ARM: 9098/1: ftrace: MODULE_PLT: Fix build problem without DYNAMIC_FTRACE
	arm64: Extend workaround for erratum 1024718 to all versions of Cortex-A55
	hso: fix bailout in error case of probe
	usb: hso: fix error handling code of hso_create_net_device
	usb: hso: remove the bailout parameter
	crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd()
	HID: betop: fix slab-out-of-bounds Write in betop_probe
	netfilter: ipset: Fix oversized kvmalloc() calls
	HID: usbhid: free raw_report buffers in usbhid_stop
	cred: allow get_cred() and put_cred() to be given NULL.
	Linux 4.14.249

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I931112fb81b334e62b163a45bb780da0fe94c225
This commit is contained in:
Greg Kroah-Hartman 2021-10-06 15:35:04 +02:00
commit cfc22a96e4
70 changed files with 660 additions and 281 deletions

View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
SUBLEVEL = 248
SUBLEVEL = 249
EXTRAVERSION =
NAME = Petit Gorille

View File

@ -61,7 +61,7 @@ extern inline void set_hae(unsigned long new_hae)
* Change virtual addresses to physical addresses and vv.
*/
#ifdef USE_48_BIT_KSEG
static inline unsigned long virt_to_phys(void *address)
static inline unsigned long virt_to_phys(volatile void *address)
{
return (unsigned long)address - IDENT_ADDR;
}
@ -71,7 +71,7 @@ static inline void * phys_to_virt(unsigned long address)
return (void *) (address + IDENT_ADDR);
}
#else
static inline unsigned long virt_to_phys(void *address)
static inline unsigned long virt_to_phys(volatile void *address)
{
unsigned long phys = (unsigned long)address;
@ -112,7 +112,7 @@ static inline dma_addr_t __deprecated isa_page_to_bus(struct page *page)
extern unsigned long __direct_map_base;
extern unsigned long __direct_map_size;
static inline unsigned long __deprecated virt_to_bus(void *address)
static inline unsigned long __deprecated virt_to_bus(volatile void *address)
{
unsigned long phys = virt_to_phys(address);
unsigned long bus = phys + __direct_map_base;

View File

@ -19,6 +19,9 @@ struct dyn_arch_ftrace {
#ifdef CONFIG_OLD_MCOUNT
bool old_mcount;
#endif
#ifdef CONFIG_ARM_MODULE_PLTS
struct module *mod;
#endif
};
static inline unsigned long ftrace_call_adjust(unsigned long addr)

View File

@ -13,18 +13,18 @@ arm_gen_nop(void)
}
unsigned long
__arm_gen_branch(unsigned long pc, unsigned long addr, bool link);
__arm_gen_branch(unsigned long pc, unsigned long addr, bool link, bool warn);
static inline unsigned long
arm_gen_branch(unsigned long pc, unsigned long addr)
{
return __arm_gen_branch(pc, addr, false);
return __arm_gen_branch(pc, addr, false, true);
}
static inline unsigned long
arm_gen_branch_link(unsigned long pc, unsigned long addr)
arm_gen_branch_link(unsigned long pc, unsigned long addr, bool warn)
{
return __arm_gen_branch(pc, addr, true);
return __arm_gen_branch(pc, addr, true, warn);
}
#endif

View File

@ -19,8 +19,18 @@ enum {
};
#endif
#define PLT_ENT_STRIDE L1_CACHE_BYTES
#define PLT_ENT_COUNT (PLT_ENT_STRIDE / sizeof(u32))
#define PLT_ENT_SIZE (sizeof(struct plt_entries) / PLT_ENT_COUNT)
struct plt_entries {
u32 ldr[PLT_ENT_COUNT];
u32 lit[PLT_ENT_COUNT];
};
struct mod_plt_sec {
struct elf32_shdr *plt;
struct plt_entries *plt_ent;
int plt_count;
};

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@ -96,9 +96,10 @@ int ftrace_arch_code_modify_post_process(void)
return 0;
}
static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr)
static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr,
bool warn)
{
return arm_gen_branch_link(pc, addr);
return arm_gen_branch_link(pc, addr, warn);
}
static int ftrace_modify_code(unsigned long pc, unsigned long old,
@ -137,14 +138,14 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
int ret;
pc = (unsigned long)&ftrace_call;
new = ftrace_call_replace(pc, (unsigned long)func);
new = ftrace_call_replace(pc, (unsigned long)func, true);
ret = ftrace_modify_code(pc, 0, new, false);
#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
if (!ret) {
pc = (unsigned long)&ftrace_regs_call;
new = ftrace_call_replace(pc, (unsigned long)func);
new = ftrace_call_replace(pc, (unsigned long)func, true);
ret = ftrace_modify_code(pc, 0, new, false);
}
@ -153,7 +154,7 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
#ifdef CONFIG_OLD_MCOUNT
if (!ret) {
pc = (unsigned long)&ftrace_call_old;
new = ftrace_call_replace(pc, (unsigned long)func);
new = ftrace_call_replace(pc, (unsigned long)func, true);
ret = ftrace_modify_code(pc, 0, new, false);
}
@ -166,10 +167,22 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
{
unsigned long new, old;
unsigned long ip = rec->ip;
unsigned long aaddr = adjust_address(rec, addr);
struct module *mod = NULL;
#ifdef CONFIG_ARM_MODULE_PLTS
mod = rec->arch.mod;
#endif
old = ftrace_nop_replace(rec);
new = ftrace_call_replace(ip, adjust_address(rec, addr));
new = ftrace_call_replace(ip, aaddr, !mod);
#ifdef CONFIG_ARM_MODULE_PLTS
if (!new && mod) {
aaddr = get_module_plt(mod, ip, aaddr);
new = ftrace_call_replace(ip, aaddr, true);
}
#endif
return ftrace_modify_code(rec->ip, old, new, true);
}
@ -182,9 +195,9 @@ int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
unsigned long new, old;
unsigned long ip = rec->ip;
old = ftrace_call_replace(ip, adjust_address(rec, old_addr));
old = ftrace_call_replace(ip, adjust_address(rec, old_addr), true);
new = ftrace_call_replace(ip, adjust_address(rec, addr));
new = ftrace_call_replace(ip, adjust_address(rec, addr), true);
return ftrace_modify_code(rec->ip, old, new, true);
}
@ -194,12 +207,29 @@ int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
int ftrace_make_nop(struct module *mod,
struct dyn_ftrace *rec, unsigned long addr)
{
unsigned long aaddr = adjust_address(rec, addr);
unsigned long ip = rec->ip;
unsigned long old;
unsigned long new;
int ret;
old = ftrace_call_replace(ip, adjust_address(rec, addr));
#ifdef CONFIG_ARM_MODULE_PLTS
/* mod is only supplied during module loading */
if (!mod)
mod = rec->arch.mod;
else
rec->arch.mod = mod;
#endif
old = ftrace_call_replace(ip, aaddr,
!IS_ENABLED(CONFIG_ARM_MODULE_PLTS) || !mod);
#ifdef CONFIG_ARM_MODULE_PLTS
if (!old && mod) {
aaddr = get_module_plt(mod, ip, aaddr);
old = ftrace_call_replace(ip, aaddr, true);
}
#endif
new = ftrace_nop_replace(rec);
ret = ftrace_modify_code(ip, old, new, true);
@ -207,7 +237,7 @@ int ftrace_make_nop(struct module *mod,
if (ret == -EINVAL && addr == MCOUNT_ADDR) {
rec->arch.old_mcount = true;
old = ftrace_call_replace(ip, adjust_address(rec, addr));
old = ftrace_call_replace(ip, adjust_address(rec, addr), true);
new = ftrace_nop_replace(rec);
ret = ftrace_modify_code(ip, old, new, true);
}

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@ -3,8 +3,9 @@
#include <linux/kernel.h>
#include <asm/opcodes.h>
static unsigned long
__arm_gen_branch_thumb2(unsigned long pc, unsigned long addr, bool link)
static unsigned long __arm_gen_branch_thumb2(unsigned long pc,
unsigned long addr, bool link,
bool warn)
{
unsigned long s, j1, j2, i1, i2, imm10, imm11;
unsigned long first, second;
@ -12,7 +13,7 @@ __arm_gen_branch_thumb2(unsigned long pc, unsigned long addr, bool link)
offset = (long)addr - (long)(pc + 4);
if (offset < -16777216 || offset > 16777214) {
WARN_ON_ONCE(1);
WARN_ON_ONCE(warn);
return 0;
}
@ -33,8 +34,8 @@ __arm_gen_branch_thumb2(unsigned long pc, unsigned long addr, bool link)
return __opcode_thumb32_compose(first, second);
}
static unsigned long
__arm_gen_branch_arm(unsigned long pc, unsigned long addr, bool link)
static unsigned long __arm_gen_branch_arm(unsigned long pc, unsigned long addr,
bool link, bool warn)
{
unsigned long opcode = 0xea000000;
long offset;
@ -44,7 +45,7 @@ __arm_gen_branch_arm(unsigned long pc, unsigned long addr, bool link)
offset = (long)addr - (long)(pc + 8);
if (unlikely(offset < -33554432 || offset > 33554428)) {
WARN_ON_ONCE(1);
WARN_ON_ONCE(warn);
return 0;
}
@ -54,10 +55,10 @@ __arm_gen_branch_arm(unsigned long pc, unsigned long addr, bool link)
}
unsigned long
__arm_gen_branch(unsigned long pc, unsigned long addr, bool link)
__arm_gen_branch(unsigned long pc, unsigned long addr, bool link, bool warn)
{
if (IS_ENABLED(CONFIG_THUMB2_KERNEL))
return __arm_gen_branch_thumb2(pc, addr, link);
return __arm_gen_branch_thumb2(pc, addr, link, warn);
else
return __arm_gen_branch_arm(pc, addr, link);
return __arm_gen_branch_arm(pc, addr, link, warn);
}

View File

@ -7,6 +7,7 @@
*/
#include <linux/elf.h>
#include <linux/ftrace.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sort.h>
@ -14,10 +15,6 @@
#include <asm/cache.h>
#include <asm/opcodes.h>
#define PLT_ENT_STRIDE L1_CACHE_BYTES
#define PLT_ENT_COUNT (PLT_ENT_STRIDE / sizeof(u32))
#define PLT_ENT_SIZE (sizeof(struct plt_entries) / PLT_ENT_COUNT)
#ifdef CONFIG_THUMB2_KERNEL
#define PLT_ENT_LDR __opcode_to_mem_thumb32(0xf8dff000 | \
(PLT_ENT_STRIDE - 4))
@ -26,9 +23,11 @@
(PLT_ENT_STRIDE - 8))
#endif
struct plt_entries {
u32 ldr[PLT_ENT_COUNT];
u32 lit[PLT_ENT_COUNT];
static const u32 fixed_plts[] = {
#ifdef CONFIG_DYNAMIC_FTRACE
FTRACE_ADDR,
MCOUNT_ADDR,
#endif
};
static bool in_init(const struct module *mod, unsigned long loc)
@ -36,14 +35,40 @@ static bool in_init(const struct module *mod, unsigned long loc)
return loc - (u32)mod->init_layout.base < mod->init_layout.size;
}
static void prealloc_fixed(struct mod_plt_sec *pltsec, struct plt_entries *plt)
{
int i;
if (!ARRAY_SIZE(fixed_plts) || pltsec->plt_count)
return;
pltsec->plt_count = ARRAY_SIZE(fixed_plts);
for (i = 0; i < ARRAY_SIZE(plt->ldr); ++i)
plt->ldr[i] = PLT_ENT_LDR;
BUILD_BUG_ON(sizeof(fixed_plts) > sizeof(plt->lit));
memcpy(plt->lit, fixed_plts, sizeof(fixed_plts));
}
u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val)
{
struct mod_plt_sec *pltsec = !in_init(mod, loc) ? &mod->arch.core :
&mod->arch.init;
struct plt_entries *plt;
int idx;
struct plt_entries *plt = (struct plt_entries *)pltsec->plt->sh_addr;
int idx = 0;
/* cache the address, ELF header is available only during module load */
if (!pltsec->plt_ent)
pltsec->plt_ent = (struct plt_entries *)pltsec->plt->sh_addr;
plt = pltsec->plt_ent;
prealloc_fixed(pltsec, plt);
for (idx = 0; idx < ARRAY_SIZE(fixed_plts); ++idx)
if (plt->lit[idx] == val)
return (u32)&plt->ldr[idx];
idx = 0;
/*
* Look for an existing entry pointing to 'val'. Given that the
* relocations are sorted, this will be the last entry we allocated.
@ -191,8 +216,8 @@ static unsigned int count_plts(const Elf32_Sym *syms, Elf32_Addr base,
int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
char *secstrings, struct module *mod)
{
unsigned long core_plts = 0;
unsigned long init_plts = 0;
unsigned long core_plts = ARRAY_SIZE(fixed_plts);
unsigned long init_plts = ARRAY_SIZE(fixed_plts);
Elf32_Shdr *s, *sechdrs_end = sechdrs + ehdr->e_shnum;
Elf32_Sym *syms = NULL;
@ -247,6 +272,7 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
mod->arch.core.plt->sh_size = round_up(core_plts * PLT_ENT_SIZE,
sizeof(struct plt_entries));
mod->arch.core.plt_count = 0;
mod->arch.core.plt_ent = NULL;
mod->arch.init.plt->sh_type = SHT_NOBITS;
mod->arch.init.plt->sh_flags = SHF_EXECINSTR | SHF_ALLOC;
@ -254,6 +280,7 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
mod->arch.init.plt->sh_size = round_up(init_plts * PLT_ENT_SIZE,
sizeof(struct plt_entries));
mod->arch.init.plt_count = 0;
mod->arch.init.plt_ent = NULL;
pr_debug("%s: plt=%x, init.plt=%x\n", __func__,
mod->arch.core.plt->sh_size, mod->arch.init.plt->sh_size);

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@ -453,7 +453,7 @@ config ARM64_ERRATUM_1024718
help
This option adds work around for Arm Cortex-A55 Erratum 1024718.
Affected Cortex-A55 cores (r0p0, r0p1, r1p0) could cause incorrect
Affected Cortex-A55 cores (all revisions) could cause incorrect
update of the hardware dirty bit when the DBM/AP bits are updated
without a break-before-make. The work around is to disable the usage
of hardware DBM locally on the affected cores. CPUs not affected by

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@ -347,8 +347,15 @@
#interrupt-cells = <1>;
msi-parent = <&pcie0>;
msi-controller;
ranges = <0x82000000 0 0xe8000000 0 0xe8000000 0 0x1000000 /* Port 0 MEM */
0x81000000 0 0xe9000000 0 0xe9000000 0 0x10000>; /* Port 0 IO*/
/*
* The 128 MiB address range [0xe8000000-0xf0000000] is
* dedicated for PCIe and can be assigned to 8 windows
* with size a power of two. Use one 64 KiB window for
* IO at the end and the remaining seven windows
* (totaling 127 MiB) for MEM.
*/
ranges = <0x82000000 0 0xe8000000 0 0xe8000000 0 0x07f00000 /* Port 0 MEM */
0x81000000 0 0xefff0000 0 0xefff0000 0 0x00010000>; /* Port 0 IO */
interrupt-map-mask = <0 0 0 7>;
interrupt-map = <0 0 0 1 &pcie_intc 0>,
<0 0 0 2 &pcie_intc 1>,

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@ -64,7 +64,7 @@
#ifdef CONFIG_CC_STACKPROTECTOR
#include <linux/stackprotector.h>
unsigned long __stack_chk_guard __read_mostly;
unsigned long __stack_chk_guard __ro_after_init;
EXPORT_SYMBOL(__stack_chk_guard);
#endif

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@ -477,8 +477,8 @@ ENTRY(__cpu_setup)
cmp x9, #2
b.lt 1f
#ifdef CONFIG_ARM64_ERRATUM_1024718
/* Disable hardware DBM on Cortex-A55 r0p0, r0p1 & r1p0 */
cpu_midr_match MIDR_CORTEX_A55, MIDR_CPU_VAR_REV(0, 0), MIDR_CPU_VAR_REV(1, 0), x1, x2, x3, x4
/* Disable hardware DBM on Cortex-A55 all versions */
cpu_midr_match MIDR_CORTEX_A55, MIDR_CPU_VAR_REV(0, 0), MIDR_CPU_VAR_REV(0xf, 0xf), x1, x2, x3, x4
cbnz x1, 1f
#endif
orr x10, x10, #TCR_HD // hardware Dirty flag update

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@ -31,21 +31,21 @@ extern void __iounmap(void *addr, unsigned long size);
* two accesses to memory, which may be undesirable for some devices.
*/
#define in_8(addr) \
({ u8 __v = (*(__force volatile u8 *) (addr)); __v; })
({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; })
#define in_be16(addr) \
({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; })
#define in_be32(addr) \
({ u32 __v = (*(__force volatile u32 *) (addr)); __v; })
({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; })
#define in_le16(addr) \
({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; })
({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; })
#define in_le32(addr) \
({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; })
({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; })
#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w))
#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l))
#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w))
#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l))
#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w))
#define out_be32(addr,l) (void)((*(__force volatile u32 *) (unsigned long)(addr)) = (l))
#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (unsigned long)(addr)) = cpu_to_le16(w))
#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (unsigned long)(addr)) = cpu_to_le32(l))
#define raw_inb in_8
#define raw_inw in_be16

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@ -179,7 +179,7 @@ extern int npmem_ranges;
#include <asm-generic/getorder.h>
#include <asm/pdc.h>
#define PAGE0 ((struct zeropage *)__PAGE_OFFSET)
#define PAGE0 ((struct zeropage *)absolute_pointer(__PAGE_OFFSET))
/* DEFINITION OF THE ZERO-PAGE (PAG0) */
/* based on work by Jason Eckhardt (jason@equator.com) */

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@ -38,6 +38,7 @@ struct mdesc_hdr {
u32 node_sz; /* node block size */
u32 name_sz; /* name block size */
u32 data_sz; /* data block size */
char data[];
} __attribute__((aligned(16)));
struct mdesc_elem {
@ -611,7 +612,7 @@ EXPORT_SYMBOL(mdesc_get_node_info);
static struct mdesc_elem *node_block(struct mdesc_hdr *mdesc)
{
return (struct mdesc_elem *) (mdesc + 1);
return (struct mdesc_elem *) mdesc->data;
}
static void *name_block(struct mdesc_hdr *mdesc)

View File

@ -721,8 +721,8 @@ static void xen_write_idt_entry(gate_desc *dt, int entrynum, const gate_desc *g)
preempt_enable();
}
static void xen_convert_trap_info(const struct desc_ptr *desc,
struct trap_info *traps)
static unsigned xen_convert_trap_info(const struct desc_ptr *desc,
struct trap_info *traps, bool full)
{
unsigned in, out, count;
@ -732,17 +732,18 @@ static void xen_convert_trap_info(const struct desc_ptr *desc,
for (in = out = 0; in < count; in++) {
gate_desc *entry = (gate_desc *)(desc->address) + in;
if (cvt_gate_to_trap(in, entry, &traps[out]))
if (cvt_gate_to_trap(in, entry, &traps[out]) || full)
out++;
}
traps[out].address = 0;
return out;
}
void xen_copy_trap_info(struct trap_info *traps)
{
const struct desc_ptr *desc = this_cpu_ptr(&idt_desc);
xen_convert_trap_info(desc, traps);
xen_convert_trap_info(desc, traps, true);
}
/* Load a new IDT into Xen. In principle this can be per-CPU, so we
@ -752,6 +753,7 @@ static void xen_load_idt(const struct desc_ptr *desc)
{
static DEFINE_SPINLOCK(lock);
static struct trap_info traps[257];
unsigned out;
trace_xen_cpu_load_idt(desc);
@ -759,7 +761,8 @@ static void xen_load_idt(const struct desc_ptr *desc)
memcpy(this_cpu_ptr(&idt_desc), desc, sizeof(idt_desc));
xen_convert_trap_info(desc, traps);
out = xen_convert_trap_info(desc, traps, false);
memset(&traps[out], 0, sizeof(traps[0]));
xen_mc_flush();
if (HYPERVISOR_set_trap_table(traps))

View File

@ -77,8 +77,8 @@ unsigned int gov_attr_set_put(struct gov_attr_set *attr_set, struct list_head *l
if (count)
return count;
kobject_put(&attr_set->kobj);
mutex_destroy(&attr_set->update_lock);
kobject_put(&attr_set->kobj);
return 0;
}
EXPORT_SYMBOL_GPL(gov_attr_set_put);

View File

@ -783,7 +783,7 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
in_place ? DMA_BIDIRECTIONAL
: DMA_TO_DEVICE);
if (ret)
goto e_ctx;
goto e_aad;
if (in_place) {
dst = src;
@ -868,7 +868,7 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
op.u.aes.size = 0;
ret = cmd_q->ccp->vdata->perform->aes(&op);
if (ret)
goto e_dst;
goto e_final_wa;
if (aes->action == CCP_AES_ACTION_ENCRYPT) {
/* Put the ciphered tag after the ciphertext. */
@ -878,17 +878,19 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
ret = ccp_init_dm_workarea(&tag, cmd_q, authsize,
DMA_BIDIRECTIONAL);
if (ret)
goto e_tag;
goto e_final_wa;
ret = ccp_set_dm_area(&tag, 0, p_tag, 0, authsize);
if (ret)
goto e_tag;
if (ret) {
ccp_dm_free(&tag);
goto e_final_wa;
}
ret = crypto_memneq(tag.address, final_wa.address,
authsize) ? -EBADMSG : 0;
ccp_dm_free(&tag);
}
e_tag:
e_final_wa:
ccp_dm_free(&final_wa);
e_dst:

View File

@ -371,7 +371,7 @@ static int synps_edac_init_csrows(struct mem_ctl_info *mci)
for (j = 0; j < csi->nr_channels; j++) {
dimm = csi->channels[j]->dimm;
dimm->edac_mode = EDAC_FLAG_SECDED;
dimm->edac_mode = EDAC_SECDED;
dimm->mtype = synps_edac_get_mtype(priv->baseaddr);
dimm->nr_pages = (size >> PAGE_SHIFT) / csi->nr_channels;
dimm->grain = SYNPS_EDAC_ERR_GRAIN;

View File

@ -59,15 +59,22 @@ static int betopff_init(struct hid_device *hid)
{
struct betopff_device *betopff;
struct hid_report *report;
struct hid_input *hidinput =
list_first_entry(&hid->inputs, struct hid_input, list);
struct hid_input *hidinput;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct input_dev *dev = hidinput->input;
struct input_dev *dev;
int field_count = 0;
int error;
int i, j;
if (list_empty(&hid->inputs)) {
hid_err(hid, "no inputs found\n");
return -ENODEV;
}
hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
dev = hidinput->input;
if (list_empty(report_list)) {
hid_err(hid, "no output reports found\n");
return -ENODEV;

View File

@ -501,7 +501,7 @@ static void hid_ctrl(struct urb *urb)
if (unplug) {
usbhid->ctrltail = usbhid->ctrlhead;
} else {
} else if (usbhid->ctrlhead != usbhid->ctrltail) {
usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
if (usbhid->ctrlhead != usbhid->ctrltail &&
@ -1214,9 +1214,20 @@ static void usbhid_stop(struct hid_device *hid)
mutex_lock(&usbhid->mutex);
clear_bit(HID_STARTED, &usbhid->iofl);
spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */
set_bit(HID_DISCONNECTED, &usbhid->iofl);
while (usbhid->ctrltail != usbhid->ctrlhead) {
if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_OUT) {
kfree(usbhid->ctrl[usbhid->ctrltail].raw_report);
usbhid->ctrl[usbhid->ctrltail].raw_report = NULL;
}
usbhid->ctrltail = (usbhid->ctrltail + 1) &
(HID_CONTROL_FIFO_SIZE - 1);
}
spin_unlock_irq(&usbhid->lock);
usb_kill_urb(usbhid->urbin);
usb_kill_urb(usbhid->urbout);
usb_kill_urb(usbhid->urbctrl);

View File

@ -109,23 +109,17 @@ struct tmp421_data {
s16 temp[4];
};
static int temp_from_s16(s16 reg)
static int temp_from_raw(u16 reg, bool extended)
{
/* Mask out status bits */
int temp = reg & ~0xf;
return (temp * 1000 + 128) / 256;
}
if (extended)
temp = temp - 64 * 256;
else
temp = (s16)temp;
static int temp_from_u16(u16 reg)
{
/* Mask out status bits */
int temp = reg & ~0xf;
/* Add offset for extended temperature range. */
temp -= 64 * 256;
return (temp * 1000 + 128) / 256;
return DIV_ROUND_CLOSEST(temp * 1000, 256);
}
static struct tmp421_data *tmp421_update_device(struct device *dev)
@ -162,10 +156,8 @@ static int tmp421_read(struct device *dev, enum hwmon_sensor_types type,
switch (attr) {
case hwmon_temp_input:
if (tmp421->config & TMP421_CONFIG_RANGE)
*val = temp_from_u16(tmp421->temp[channel]);
else
*val = temp_from_s16(tmp421->temp[channel]);
*val = temp_from_raw(tmp421->temp[channel],
tmp421->config & TMP421_CONFIG_RANGE);
return 0;
case hwmon_temp_fault:
/*

View File

@ -38,6 +38,7 @@ struct ipoctal_channel {
unsigned int pointer_read;
unsigned int pointer_write;
struct tty_port tty_port;
bool tty_registered;
union scc2698_channel __iomem *regs;
union scc2698_block __iomem *block_regs;
unsigned int board_id;
@ -86,22 +87,34 @@ static int ipoctal_port_activate(struct tty_port *port, struct tty_struct *tty)
return 0;
}
static int ipoctal_open(struct tty_struct *tty, struct file *file)
static int ipoctal_install(struct tty_driver *driver, struct tty_struct *tty)
{
struct ipoctal_channel *channel = dev_get_drvdata(tty->dev);
struct ipoctal *ipoctal = chan_to_ipoctal(channel, tty->index);
int err;
tty->driver_data = channel;
int res;
if (!ipack_get_carrier(ipoctal->dev))
return -EBUSY;
err = tty_port_open(&channel->tty_port, tty, file);
if (err)
ipack_put_carrier(ipoctal->dev);
res = tty_standard_install(driver, tty);
if (res)
goto err_put_carrier;
return err;
tty->driver_data = channel;
return 0;
err_put_carrier:
ipack_put_carrier(ipoctal->dev);
return res;
}
static int ipoctal_open(struct tty_struct *tty, struct file *file)
{
struct ipoctal_channel *channel = tty->driver_data;
return tty_port_open(&channel->tty_port, tty, file);
}
static void ipoctal_reset_stats(struct ipoctal_stats *stats)
@ -269,7 +282,6 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
int res;
int i;
struct tty_driver *tty;
char name[20];
struct ipoctal_channel *channel;
struct ipack_region *region;
void __iomem *addr;
@ -360,8 +372,11 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
/* Fill struct tty_driver with ipoctal data */
tty->owner = THIS_MODULE;
tty->driver_name = KBUILD_MODNAME;
sprintf(name, KBUILD_MODNAME ".%d.%d.", bus_nr, slot);
tty->name = name;
tty->name = kasprintf(GFP_KERNEL, KBUILD_MODNAME ".%d.%d.", bus_nr, slot);
if (!tty->name) {
res = -ENOMEM;
goto err_put_driver;
}
tty->major = 0;
tty->minor_start = 0;
@ -377,8 +392,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
res = tty_register_driver(tty);
if (res) {
dev_err(&ipoctal->dev->dev, "Can't register tty driver.\n");
put_tty_driver(tty);
return res;
goto err_free_name;
}
/* Save struct tty_driver for use it when uninstalling the device */
@ -389,7 +403,9 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
channel = &ipoctal->channel[i];
tty_port_init(&channel->tty_port);
tty_port_alloc_xmit_buf(&channel->tty_port);
res = tty_port_alloc_xmit_buf(&channel->tty_port);
if (res)
continue;
channel->tty_port.ops = &ipoctal_tty_port_ops;
ipoctal_reset_stats(&channel->stats);
@ -397,13 +413,15 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
spin_lock_init(&channel->lock);
channel->pointer_read = 0;
channel->pointer_write = 0;
tty_dev = tty_port_register_device(&channel->tty_port, tty, i, NULL);
tty_dev = tty_port_register_device_attr(&channel->tty_port, tty,
i, NULL, channel, NULL);
if (IS_ERR(tty_dev)) {
dev_err(&ipoctal->dev->dev, "Failed to register tty device.\n");
tty_port_free_xmit_buf(&channel->tty_port);
tty_port_destroy(&channel->tty_port);
continue;
}
dev_set_drvdata(tty_dev, channel);
channel->tty_registered = true;
}
/*
@ -415,6 +433,13 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
ipoctal_irq_handler, ipoctal);
return 0;
err_free_name:
kfree(tty->name);
err_put_driver:
put_tty_driver(tty);
return res;
}
static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
@ -655,6 +680,7 @@ static void ipoctal_cleanup(struct tty_struct *tty)
static const struct tty_operations ipoctal_fops = {
.ioctl = NULL,
.install = ipoctal_install,
.open = ipoctal_open,
.close = ipoctal_close,
.write = ipoctal_write_tty,
@ -697,12 +723,17 @@ static void __ipoctal_remove(struct ipoctal *ipoctal)
for (i = 0; i < NR_CHANNELS; i++) {
struct ipoctal_channel *channel = &ipoctal->channel[i];
if (!channel->tty_registered)
continue;
tty_unregister_device(ipoctal->tty_drv, i);
tty_port_free_xmit_buf(&channel->tty_port);
tty_port_destroy(&channel->tty_port);
}
tty_unregister_driver(ipoctal->tty_drv);
kfree(ipoctal->tty_drv->name);
put_tty_driver(ipoctal->tty_drv);
kfree(ipoctal);
}

View File

@ -2730,7 +2730,7 @@ static int its_vpe_irq_domain_alloc(struct irq_domain *domain, unsigned int virq
if (err) {
if (i > 0)
its_vpe_irq_domain_free(domain, virq, i - 1);
its_vpe_irq_domain_free(domain, virq, i);
its_lpi_free_chunks(bitmap, base, nr_ids);
its_free_prop_table(vprop_page);

View File

@ -280,8 +280,8 @@ struct mcb_bus *mcb_alloc_bus(struct device *carrier)
bus_nr = ida_simple_get(&mcb_ida, 0, 0, GFP_KERNEL);
if (bus_nr < 0) {
rc = bus_nr;
goto err_free;
kfree(bus);
return ERR_PTR(bus_nr);
}
bus->bus_nr = bus_nr;
@ -296,12 +296,12 @@ struct mcb_bus *mcb_alloc_bus(struct device *carrier)
dev_set_name(&bus->dev, "mcb:%d", bus_nr);
rc = device_add(&bus->dev);
if (rc)
goto err_free;
goto err_put;
return bus;
err_free:
put_device(carrier);
kfree(bus);
err_put:
put_device(&bus->dev);
return ERR_PTR(rc);
}
EXPORT_SYMBOL_GPL(mcb_alloc_bus);

View File

@ -5375,10 +5375,6 @@ static int md_alloc(dev_t dev, char *name)
*/
disk->flags |= GENHD_FL_EXT_DEVT;
mddev->gendisk = disk;
/* As soon as we call add_disk(), another thread could get
* through to md_open, so make sure it doesn't get too far
*/
mutex_lock(&mddev->open_mutex);
add_disk(disk);
error = kobject_init_and_add(&mddev->kobj, &md_ktype,
@ -5394,7 +5390,6 @@ static int md_alloc(dev_t dev, char *name)
if (mddev->kobj.sd &&
sysfs_create_group(&mddev->kobj, &md_bitmap_group))
pr_debug("pointless warning\n");
mutex_unlock(&mddev->open_mutex);
abort:
mutex_unlock(&disks_mutex);
if (!error && mddev->kobj.sd) {

View File

@ -278,7 +278,7 @@ static bool bnxt_txr_netif_try_stop_queue(struct bnxt *bp,
* netif_tx_queue_stopped().
*/
smp_mb();
if (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh) {
if (bnxt_tx_avail(bp, txr) >= bp->tx_wake_thresh) {
netif_tx_wake_queue(txq);
return false;
}
@ -609,7 +609,7 @@ next_tx_int:
smp_mb();
if (unlikely(netif_tx_queue_stopped(txq)) &&
bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh &&
bnxt_tx_avail(bp, txr) >= bp->tx_wake_thresh &&
READ_ONCE(txr->dev_state) != BNXT_DEV_STATE_CLOSING)
netif_tx_wake_queue(txq);
}
@ -1888,7 +1888,7 @@ static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget)
if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) {
tx_pkts++;
/* return full budget so NAPI will complete. */
if (unlikely(tx_pkts > bp->tx_wake_thresh)) {
if (unlikely(tx_pkts >= bp->tx_wake_thresh)) {
rx_pkts = budget;
raw_cons = NEXT_RAW_CMP(raw_cons);
break;
@ -2662,7 +2662,7 @@ static int bnxt_init_tx_rings(struct bnxt *bp)
u16 i;
bp->tx_wake_thresh = max_t(int, bp->tx_ring_size / 2,
MAX_SKB_FRAGS + 1);
BNXT_MIN_TX_DESC_CNT);
for (i = 0; i < bp->tx_nr_rings; i++) {
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];

View File

@ -477,6 +477,11 @@ struct rx_tpa_end_cmp_ext {
#define BNXT_MAX_RX_JUM_DESC_CNT (RX_DESC_CNT * MAX_RX_AGG_PAGES - 1)
#define BNXT_MAX_TX_DESC_CNT (TX_DESC_CNT * MAX_TX_PAGES - 1)
/* Minimum TX BDs for a TX packet with MAX_SKB_FRAGS + 1. We need one extra
* BD because the first TX BD is always a long BD.
*/
#define BNXT_MIN_TX_DESC_CNT (MAX_SKB_FRAGS + 2)
#define RX_RING(x) (((x) & ~(RX_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
#define RX_IDX(x) ((x) & (RX_DESC_CNT - 1))

View File

@ -348,7 +348,7 @@ static int bnxt_set_ringparam(struct net_device *dev,
if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
(ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
(ering->tx_pending <= MAX_SKB_FRAGS))
(ering->tx_pending < BNXT_MIN_TX_DESC_CNT))
return -EINVAL;
if (netif_running(dev))

View File

@ -123,9 +123,9 @@ static void macb_remove(struct pci_dev *pdev)
struct platform_device *plat_dev = pci_get_drvdata(pdev);
struct macb_platform_data *plat_data = dev_get_platdata(&plat_dev->dev);
platform_device_unregister(plat_dev);
clk_unregister(plat_data->pclk);
clk_unregister(plat_data->hclk);
platform_device_unregister(plat_dev);
}
static const struct pci_device_id dev_id_table[] = {

View File

@ -1155,7 +1155,7 @@ struct net_device * __init i82596_probe(int unit)
err = -ENODEV;
goto out;
}
memcpy(eth_addr, (void *) 0xfffc1f2c, ETH_ALEN); /* YUCK! Get addr from NOVRAM */
memcpy(eth_addr, absolute_pointer(0xfffc1f2c), ETH_ALEN); /* YUCK! Get addr from NOVRAM */
dev->base_addr = MVME_I596_BASE;
dev->irq = (unsigned) MVME16x_IRQ_I596;
goto found;

View File

@ -2459,11 +2459,15 @@ static void e100_get_drvinfo(struct net_device *netdev,
sizeof(info->bus_info));
}
#define E100_PHY_REGS 0x1C
#define E100_PHY_REGS 0x1D
static int e100_get_regs_len(struct net_device *netdev)
{
struct nic *nic = netdev_priv(netdev);
return 1 + E100_PHY_REGS + sizeof(nic->mem->dump_buf);
/* We know the number of registers, and the size of the dump buffer.
* Calculate the total size in bytes.
*/
return (1 + E100_PHY_REGS) * sizeof(u32) + sizeof(nic->mem->dump_buf);
}
static void e100_get_regs(struct net_device *netdev,
@ -2477,14 +2481,18 @@ static void e100_get_regs(struct net_device *netdev,
buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 |
ioread8(&nic->csr->scb.cmd_lo) << 16 |
ioread16(&nic->csr->scb.status);
for (i = E100_PHY_REGS; i >= 0; i--)
buff[1 + E100_PHY_REGS - i] =
mdio_read(netdev, nic->mii.phy_id, i);
for (i = 0; i < E100_PHY_REGS; i++)
/* Note that we read the registers in reverse order. This
* ordering is the ABI apparently used by ethtool and other
* applications.
*/
buff[1 + i] = mdio_read(netdev, nic->mii.phy_id,
E100_PHY_REGS - 1 - i);
memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf));
e100_exec_cb(nic, NULL, e100_dump);
msleep(10);
memcpy(&buff[2 + E100_PHY_REGS], nic->mem->dump_buf,
sizeof(nic->mem->dump_buf));
memcpy(&buff[1 + E100_PHY_REGS], nic->mem->dump_buf,
sizeof(nic->mem->dump_buf));
}
static void e100_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)

View File

@ -363,6 +363,9 @@ mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
int nhoff = skb_network_offset(skb);
int ret = 0;
if (skb->encapsulation)
return -EPROTONOSUPPORT;
if (skb->protocol != htons(ETH_P_IP))
return -EPROTONOSUPPORT;

View File

@ -232,7 +232,7 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv)
priv->clk_csr = STMMAC_CSR_100_150M;
else if ((clk_rate >= CSR_F_150M) && (clk_rate < CSR_F_250M))
priv->clk_csr = STMMAC_CSR_150_250M;
else if ((clk_rate >= CSR_F_250M) && (clk_rate < CSR_F_300M))
else if ((clk_rate >= CSR_F_250M) && (clk_rate <= CSR_F_300M))
priv->clk_csr = STMMAC_CSR_250_300M;
}

View File

@ -68,9 +68,9 @@
#define SIXP_DAMA_OFF 0
/* default level 2 parameters */
#define SIXP_TXDELAY (HZ/4) /* in 1 s */
#define SIXP_TXDELAY 25 /* 250 ms */
#define SIXP_PERSIST 50 /* in 256ths */
#define SIXP_SLOTTIME (HZ/10) /* in 1 s */
#define SIXP_SLOTTIME 10 /* 100 ms */
#define SIXP_INIT_RESYNC_TIMEOUT (3*HZ/2) /* in 1 s */
#define SIXP_RESYNC_TIMEOUT 5*HZ /* in 1 s */

View File

@ -2510,7 +2510,7 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
hso_net_init);
if (!net) {
dev_err(&interface->dev, "Unable to create ethernet device\n");
goto exit;
goto err_hso_dev;
}
hso_net = netdev_priv(net);
@ -2523,13 +2523,13 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
USB_DIR_IN);
if (!hso_net->in_endp) {
dev_err(&interface->dev, "Can't find BULK IN endpoint\n");
goto exit;
goto err_net;
}
hso_net->out_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK,
USB_DIR_OUT);
if (!hso_net->out_endp) {
dev_err(&interface->dev, "Can't find BULK OUT endpoint\n");
goto exit;
goto err_net;
}
SET_NETDEV_DEV(net, &interface->dev);
SET_NETDEV_DEVTYPE(net, &hso_type);
@ -2538,18 +2538,18 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) {
hso_net->mux_bulk_rx_urb_pool[i] = usb_alloc_urb(0, GFP_KERNEL);
if (!hso_net->mux_bulk_rx_urb_pool[i])
goto exit;
goto err_mux_bulk_rx;
hso_net->mux_bulk_rx_buf_pool[i] = kzalloc(MUX_BULK_RX_BUF_SIZE,
GFP_KERNEL);
if (!hso_net->mux_bulk_rx_buf_pool[i])
goto exit;
goto err_mux_bulk_rx;
}
hso_net->mux_bulk_tx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!hso_net->mux_bulk_tx_urb)
goto exit;
goto err_mux_bulk_rx;
hso_net->mux_bulk_tx_buf = kzalloc(MUX_BULK_TX_BUF_SIZE, GFP_KERNEL);
if (!hso_net->mux_bulk_tx_buf)
goto exit;
goto err_free_tx_urb;
add_net_device(hso_dev);
@ -2557,7 +2557,7 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
result = register_netdev(net);
if (result) {
dev_err(&interface->dev, "Failed to register device\n");
goto exit;
goto err_free_tx_buf;
}
hso_log_port(hso_dev);
@ -2565,8 +2565,21 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
hso_create_rfkill(hso_dev, interface);
return hso_dev;
exit:
hso_free_net_device(hso_dev);
err_free_tx_buf:
remove_net_device(hso_dev);
kfree(hso_net->mux_bulk_tx_buf);
err_free_tx_urb:
usb_free_urb(hso_net->mux_bulk_tx_urb);
err_mux_bulk_rx:
for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) {
usb_free_urb(hso_net->mux_bulk_rx_urb_pool[i]);
kfree(hso_net->mux_bulk_rx_buf_pool[i]);
}
err_net:
free_netdev(net);
err_hso_dev:
kfree(hso_dev);
return NULL;
}
@ -2713,14 +2726,14 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface,
serial = kzalloc(sizeof(*serial), GFP_KERNEL);
if (!serial)
goto exit;
goto err_free_dev;
hso_dev->port_data.dev_serial = serial;
serial->parent = hso_dev;
if (hso_serial_common_create
(serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE))
goto exit;
goto err_free_serial;
serial->tx_data_length--;
serial->write_data = hso_mux_serial_write_data;
@ -2736,11 +2749,9 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface,
/* done, return it */
return hso_dev;
exit:
if (serial) {
tty_unregister_device(tty_drv, serial->minor);
kfree(serial);
}
err_free_serial:
kfree(serial);
err_free_dev:
kfree(hso_dev);
return NULL;

View File

@ -55,7 +55,8 @@
#define PIO_COMPLETION_STATUS_UR 1
#define PIO_COMPLETION_STATUS_CRS 2
#define PIO_COMPLETION_STATUS_CA 4
#define PIO_NON_POSTED_REQ BIT(0)
#define PIO_NON_POSTED_REQ BIT(10)
#define PIO_ERR_STATUS BIT(11)
#define PIO_ADDR_LS (PIO_BASE_ADDR + 0x8)
#define PIO_ADDR_MS (PIO_BASE_ADDR + 0xc)
#define PIO_WR_DATA (PIO_BASE_ADDR + 0x10)
@ -374,7 +375,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
advk_writel(pcie, reg, PCIE_CORE_CMD_STATUS_REG);
}
static void advk_pcie_check_pio_status(struct advk_pcie *pcie)
static int advk_pcie_check_pio_status(struct advk_pcie *pcie, u32 *val)
{
struct device *dev = &pcie->pdev->dev;
u32 reg;
@ -385,14 +386,49 @@ static void advk_pcie_check_pio_status(struct advk_pcie *pcie)
status = (reg & PIO_COMPLETION_STATUS_MASK) >>
PIO_COMPLETION_STATUS_SHIFT;
if (!status)
return;
/*
* According to HW spec, the PIO status check sequence as below:
* 1) even if COMPLETION_STATUS(bit9:7) indicates successful,
* it still needs to check Error Status(bit11), only when this bit
* indicates no error happen, the operation is successful.
* 2) value Unsupported Request(1) of COMPLETION_STATUS(bit9:7) only
* means a PIO write error, and for PIO read it is successful with
* a read value of 0xFFFFFFFF.
* 3) value Completion Retry Status(CRS) of COMPLETION_STATUS(bit9:7)
* only means a PIO write error, and for PIO read it is successful
* with a read value of 0xFFFF0001.
* 4) value Completer Abort (CA) of COMPLETION_STATUS(bit9:7) means
* error for both PIO read and PIO write operation.
* 5) other errors are indicated as 'unknown'.
*/
switch (status) {
case PIO_COMPLETION_STATUS_OK:
if (reg & PIO_ERR_STATUS) {
strcomp_status = "COMP_ERR";
break;
}
/* Get the read result */
if (val)
*val = advk_readl(pcie, PIO_RD_DATA);
/* No error */
strcomp_status = NULL;
break;
case PIO_COMPLETION_STATUS_UR:
strcomp_status = "UR";
break;
case PIO_COMPLETION_STATUS_CRS:
/* PCIe r4.0, sec 2.3.2, says:
* If CRS Software Visibility is not enabled, the Root Complex
* must re-issue the Configuration Request as a new Request.
* A Root Complex implementation may choose to limit the number
* of Configuration Request/CRS Completion Status loops before
* determining that something is wrong with the target of the
* Request and taking appropriate action, e.g., complete the
* Request to the host as a failed transaction.
*
* To simplify implementation do not re-issue the Configuration
* Request and complete the Request as a failed transaction.
*/
strcomp_status = "CRS";
break;
case PIO_COMPLETION_STATUS_CA:
@ -403,6 +439,9 @@ static void advk_pcie_check_pio_status(struct advk_pcie *pcie)
break;
}
if (!strcomp_status)
return 0;
if (reg & PIO_NON_POSTED_REQ)
str_posted = "Non-posted";
else
@ -410,6 +449,8 @@ static void advk_pcie_check_pio_status(struct advk_pcie *pcie)
dev_err(dev, "%s PIO Response Status: %s, %#x @ %#x\n",
str_posted, strcomp_status, reg, advk_readl(pcie, PIO_ADDR_LS));
return -EFAULT;
}
static int advk_pcie_wait_pio(struct advk_pcie *pcie)
@ -502,10 +543,13 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn,
if (ret < 0)
return PCIBIOS_SET_FAILED;
advk_pcie_check_pio_status(pcie);
/* Check PIO status and get the read result */
ret = advk_pcie_check_pio_status(pcie, val);
if (ret < 0) {
*val = 0xffffffff;
return PCIBIOS_SET_FAILED;
}
/* Get the read result */
*val = advk_readl(pcie, PIO_RD_DATA);
if (size == 1)
*val = (*val >> (8 * (where & 3))) & 0xff;
else if (size == 2)
@ -565,7 +609,9 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn,
if (ret < 0)
return PCIBIOS_SET_FAILED;
advk_pcie_check_pio_status(pcie);
ret = advk_pcie_check_pio_status(pcie, NULL);
if (ret < 0)
return PCIBIOS_SET_FAILED;
return PCIBIOS_SUCCESSFUL;
}

View File

@ -1260,3 +1260,4 @@ MODULE_DEVICE_TABLE(pci, csio_pci_tbl);
MODULE_VERSION(CSIO_DRV_VERSION);
MODULE_FIRMWARE(FW_FNAME_T5);
MODULE_FIRMWARE(FW_FNAME_T6);
MODULE_SOFTDEP("pre: cxgb4");

View File

@ -429,9 +429,7 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
struct iscsi_transport *t = iface->transport;
int param = -1;
if (attr == &dev_attr_iface_enabled.attr)
param = ISCSI_NET_PARAM_IFACE_ENABLE;
else if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr)
if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr)
param = ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO;
else if (attr == &dev_attr_iface_header_digest.attr)
param = ISCSI_IFACE_PARAM_HDRDGST_EN;
@ -471,7 +469,9 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
if (param != -1)
return t->attr_is_visible(ISCSI_IFACE_PARAM, param);
if (attr == &dev_attr_iface_vlan_id.attr)
if (attr == &dev_attr_iface_enabled.attr)
param = ISCSI_NET_PARAM_IFACE_ENABLE;
else if (attr == &dev_attr_iface_vlan_id.attr)
param = ISCSI_NET_PARAM_VLAN_ID;
else if (attr == &dev_attr_iface_vlan_priority.attr)
param = ISCSI_NET_PARAM_VLAN_PRIORITY;

View File

@ -1210,7 +1210,7 @@ static int tegra_slink_resume(struct device *dev)
}
#endif
static int tegra_slink_runtime_suspend(struct device *dev)
static int __maybe_unused tegra_slink_runtime_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct tegra_slink_data *tspi = spi_master_get_devdata(master);
@ -1222,7 +1222,7 @@ static int tegra_slink_runtime_suspend(struct device *dev)
return 0;
}
static int tegra_slink_runtime_resume(struct device *dev)
static int __maybe_unused tegra_slink_runtime_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct tegra_slink_data *tspi = spi_master_get_devdata(master);

View File

@ -800,6 +800,17 @@ out:
gbphy_runtime_put_autosuspend(gb_tty->gbphy_dev);
}
static void gb_tty_port_destruct(struct tty_port *port)
{
struct gb_tty *gb_tty = container_of(port, struct gb_tty, port);
if (gb_tty->minor != GB_NUM_MINORS)
release_minor(gb_tty);
kfifo_free(&gb_tty->write_fifo);
kfree(gb_tty->buffer);
kfree(gb_tty);
}
static const struct tty_operations gb_ops = {
.install = gb_tty_install,
.open = gb_tty_open,
@ -823,6 +834,7 @@ static const struct tty_port_operations gb_port_ops = {
.dtr_rts = gb_tty_dtr_rts,
.activate = gb_tty_port_activate,
.shutdown = gb_tty_port_shutdown,
.destruct = gb_tty_port_destruct,
};
static int gb_uart_probe(struct gbphy_device *gbphy_dev,
@ -835,17 +847,11 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
int retval;
int minor;
gb_tty = kzalloc(sizeof(*gb_tty), GFP_KERNEL);
if (!gb_tty)
return -ENOMEM;
connection = gb_connection_create(gbphy_dev->bundle,
le16_to_cpu(gbphy_dev->cport_desc->id),
gb_uart_request_handler);
if (IS_ERR(connection)) {
retval = PTR_ERR(connection);
goto exit_tty_free;
}
if (IS_ERR(connection))
return PTR_ERR(connection);
max_payload = gb_operation_get_payload_size_max(connection);
if (max_payload < sizeof(struct gb_uart_send_data_request)) {
@ -853,13 +859,23 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
goto exit_connection_destroy;
}
gb_tty = kzalloc(sizeof(*gb_tty), GFP_KERNEL);
if (!gb_tty) {
retval = -ENOMEM;
goto exit_connection_destroy;
}
tty_port_init(&gb_tty->port);
gb_tty->port.ops = &gb_port_ops;
gb_tty->minor = GB_NUM_MINORS;
gb_tty->buffer_payload_max = max_payload -
sizeof(struct gb_uart_send_data_request);
gb_tty->buffer = kzalloc(gb_tty->buffer_payload_max, GFP_KERNEL);
if (!gb_tty->buffer) {
retval = -ENOMEM;
goto exit_connection_destroy;
goto exit_put_port;
}
INIT_WORK(&gb_tty->tx_work, gb_uart_tx_write_work);
@ -867,7 +883,7 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
retval = kfifo_alloc(&gb_tty->write_fifo, GB_UART_WRITE_FIFO_SIZE,
GFP_KERNEL);
if (retval)
goto exit_buf_free;
goto exit_put_port;
gb_tty->credits = GB_UART_FIRMWARE_CREDITS;
init_completion(&gb_tty->credits_complete);
@ -881,7 +897,7 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
} else {
retval = minor;
}
goto exit_kfifo_free;
goto exit_put_port;
}
gb_tty->minor = minor;
@ -890,9 +906,6 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
init_waitqueue_head(&gb_tty->wioctl);
mutex_init(&gb_tty->mutex);
tty_port_init(&gb_tty->port);
gb_tty->port.ops = &gb_port_ops;
gb_tty->connection = connection;
gb_tty->gbphy_dev = gbphy_dev;
gb_connection_set_data(connection, gb_tty);
@ -900,7 +913,7 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
retval = gb_connection_enable_tx(connection);
if (retval)
goto exit_release_minor;
goto exit_put_port;
send_control(gb_tty, gb_tty->ctrlout);
@ -927,16 +940,10 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
exit_connection_disable:
gb_connection_disable(connection);
exit_release_minor:
release_minor(gb_tty);
exit_kfifo_free:
kfifo_free(&gb_tty->write_fifo);
exit_buf_free:
kfree(gb_tty->buffer);
exit_put_port:
tty_port_put(&gb_tty->port);
exit_connection_destroy:
gb_connection_destroy(connection);
exit_tty_free:
kfree(gb_tty);
return retval;
}
@ -967,15 +974,10 @@ static void gb_uart_remove(struct gbphy_device *gbphy_dev)
gb_connection_disable_rx(connection);
tty_unregister_device(gb_tty_driver, gb_tty->minor);
/* FIXME - free transmit / receive buffers */
gb_connection_disable(connection);
tty_port_destroy(&gb_tty->port);
gb_connection_destroy(connection);
release_minor(gb_tty);
kfifo_free(&gb_tty->write_fifo);
kfree(gb_tty->buffer);
kfree(gb_tty);
tty_port_put(&gb_tty->port);
}
static int gb_tty_init(void)

View File

@ -231,15 +231,14 @@ int thermal_build_list_of_policies(char *buf)
{
struct thermal_governor *pos;
ssize_t count = 0;
ssize_t size = PAGE_SIZE;
mutex_lock(&thermal_governor_lock);
list_for_each_entry(pos, &thermal_governor_list, governor_list) {
size = PAGE_SIZE - count;
count += scnprintf(buf + count, size, "%s ", pos->name);
count += scnprintf(buf + count, PAGE_SIZE - count, "%s ",
pos->name);
}
count += scnprintf(buf + count, size, "\n");
count += scnprintf(buf + count, PAGE_SIZE - count, "\n");
mutex_unlock(&thermal_governor_lock);

View File

@ -108,7 +108,7 @@ static unsigned int mvebu_uart_tx_empty(struct uart_port *port)
st = readl(port->membase + UART_STAT);
spin_unlock_irqrestore(&port->lock, flags);
return (st & STAT_TX_FIFO_EMP) ? TIOCSER_TEMT : 0;
return (st & STAT_TX_EMP) ? TIOCSER_TEMT : 0;
}
static unsigned int mvebu_uart_get_mctrl(struct uart_port *port)

View File

@ -883,8 +883,25 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
new_row_size = new_cols << 1;
new_screen_size = new_row_size * new_rows;
if (new_cols == vc->vc_cols && new_rows == vc->vc_rows)
return 0;
if (new_cols == vc->vc_cols && new_rows == vc->vc_rows) {
/*
* This function is being called here to cover the case
* where the userspace calls the FBIOPUT_VSCREENINFO twice,
* passing the same fb_var_screeninfo containing the fields
* yres/xres equal to a number non-multiple of vc_font.height
* and yres_virtual/xres_virtual equal to number lesser than the
* vc_font.height and yres/xres.
* In the second call, the struct fb_var_screeninfo isn't
* being modified by the underlying driver because of the
* if above, and this causes the fbcon_display->vrows to become
* negative and it eventually leads to out-of-bound
* access by the imageblit function.
* To give the correct values to the struct and to not have
* to deal with possible errors from the code below, we call
* the resize_screen here as well.
*/
return resize_screen(vc, new_cols, new_rows, user);
}
if (new_screen_size > KMALLOC_MAX_SIZE || !new_screen_size)
return -EINVAL;

View File

@ -1253,7 +1253,7 @@ static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
do {
tmp = r8a66597_read(r8a66597, INTSTS0) & CTSQ;
udelay(1);
} while (tmp != CS_IDST || timeout-- > 0);
} while (tmp != CS_IDST && timeout-- > 0);
if (tmp == CS_IDST)
r8a66597_bset(r8a66597,

View File

@ -193,6 +193,7 @@ tusb_fifo_write_unaligned(void __iomem *fifo, const u8 *buf, u16 len)
}
if (len > 0) {
/* Write the rest 1 - 3 bytes to FIFO */
val = 0;
memcpy(&val, buf, len);
musb_writel(fifo, 0, val);
}

View File

@ -237,6 +237,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */
{ USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */
{ USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */
{ USB_DEVICE(0x2184, 0x0030) }, /* GW Instek GDM-834x Digital Multimeter */
{ USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */
{ USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */
{ USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */

View File

@ -126,7 +126,6 @@
#define BANDB_DEVICE_ID_USOPTL4_2P 0xBC02
#define BANDB_DEVICE_ID_USOPTL4_4 0xAC44
#define BANDB_DEVICE_ID_USOPTL4_4P 0xBC03
#define BANDB_DEVICE_ID_USOPTL2_4 0xAC24
/* This driver also supports
* ATEN UC2324 device using Moschip MCS7840
@ -207,7 +206,6 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2P)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4P)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4)},
{USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)},
{USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2322)},
{USB_DEVICE(USB_VENDOR_ID_MOXA, MOXA_DEVICE_ID_2210)},

View File

@ -1208,6 +1208,14 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1056, 0xff), /* Telit FD980 */
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1060, 0xff), /* Telit LN920 (rmnet) */
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1061, 0xff), /* Telit LN920 (MBIM) */
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1062, 0xff), /* Telit LN920 (RNDIS) */
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1063, 0xff), /* Telit LN920 (ECM) */
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@ -1653,7 +1661,6 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff),
.driver_info = RSVD(1) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff),
@ -2070,6 +2077,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
{ USB_DEVICE(0x0489, 0xe0b5), /* Foxconn T77W968 ESIM */
.driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0db, 0xff), /* Foxconn T99W265 MBIM */
.driver_info = RSVD(3) },
{ USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */
.driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
{ USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */

View File

@ -435,9 +435,16 @@ UNUSUAL_DEV( 0x04cb, 0x0100, 0x0000, 0x2210,
USB_SC_UFI, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY | US_FL_SINGLE_LUN),
/*
* Reported by Ondrej Zary <linux@rainbow-software.org>
* Reported by Ondrej Zary <linux@zary.sk>
* The device reports one sector more and breaks when that sector is accessed
* Firmwares older than 2.6c (the latest one and the only that claims Linux
* support) have also broken tag handling
*/
UNUSUAL_DEV( 0x04ce, 0x0002, 0x0000, 0x026b,
"ScanLogic",
"SL11R-IDE",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_FIX_CAPACITY | US_FL_BULK_IGNORE_TAG),
UNUSUAL_DEV( 0x04ce, 0x0002, 0x026c, 0x026c,
"ScanLogic",
"SL11R-IDE",

View File

@ -63,7 +63,7 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999,
"LaCie",
"Rugged USB3-FW",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_IGNORE_UAS),
US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME),
/*
* Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI

View File

@ -43,6 +43,8 @@
#include <linux/sched.h>
#include <linux/cred.h>
#include <linux/errno.h>
#include <linux/freezer.h>
#include <linux/kthread.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
#include <linux/pagemap.h>
@ -119,7 +121,7 @@ static struct ctl_table xen_root[] = {
#define EXTENT_ORDER (fls(XEN_PFN_PER_PAGE) - 1)
/*
* balloon_process() state:
* balloon_thread() state:
*
* BP_DONE: done or nothing to do,
* BP_WAIT: wait to be rescheduled,
@ -134,6 +136,8 @@ enum bp_state {
BP_ECANCELED
};
/* Main waiting point for xen-balloon thread. */
static DECLARE_WAIT_QUEUE_HEAD(balloon_thread_wq);
static DEFINE_MUTEX(balloon_mutex);
@ -148,10 +152,6 @@ static xen_pfn_t frame_list[PAGE_SIZE / sizeof(xen_pfn_t)];
static LIST_HEAD(ballooned_pages);
static DECLARE_WAIT_QUEUE_HEAD(balloon_wq);
/* Main work function, always executed in process context. */
static void balloon_process(struct work_struct *work);
static DECLARE_DELAYED_WORK(balloon_worker, balloon_process);
/* When ballooning out (allocating memory to return to Xen) we don't really
want the kernel to try too hard since that can trigger the oom killer. */
#define GFP_BALLOON \
@ -389,7 +389,7 @@ static void xen_online_page(struct page *page)
static int xen_memory_notifier(struct notifier_block *nb, unsigned long val, void *v)
{
if (val == MEM_ONLINE)
schedule_delayed_work(&balloon_worker, 0);
wake_up(&balloon_thread_wq);
return NOTIFY_OK;
}
@ -571,18 +571,43 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
}
/*
* As this is a work item it is guaranteed to run as a single instance only.
* Stop waiting if either state is not BP_EAGAIN and ballooning action is
* needed, or if the credit has changed while state is BP_EAGAIN.
*/
static bool balloon_thread_cond(enum bp_state state, long credit)
{
if (state != BP_EAGAIN)
credit = 0;
return current_credit() != credit || kthread_should_stop();
}
/*
* As this is a kthread it is guaranteed to run as a single instance only.
* We may of course race updates of the target counts (which are protected
* by the balloon lock), or with changes to the Xen hard limit, but we will
* recover from these in time.
*/
static void balloon_process(struct work_struct *work)
static int balloon_thread(void *unused)
{
enum bp_state state = BP_DONE;
long credit;
unsigned long timeout;
set_freezable();
for (;;) {
if (state == BP_EAGAIN)
timeout = balloon_stats.schedule_delay * HZ;
else
timeout = 3600 * HZ;
credit = current_credit();
wait_event_freezable_timeout(balloon_thread_wq,
balloon_thread_cond(state, credit), timeout);
if (kthread_should_stop())
return 0;
do {
mutex_lock(&balloon_mutex);
credit = current_credit();
@ -609,12 +634,7 @@ static void balloon_process(struct work_struct *work)
mutex_unlock(&balloon_mutex);
cond_resched();
} while (credit && state == BP_DONE);
/* Schedule more work if there is some still to be done. */
if (state == BP_EAGAIN)
schedule_delayed_work(&balloon_worker, balloon_stats.schedule_delay * HZ);
}
}
/* Resets the Xen limit, sets new target, and kicks off processing. */
@ -622,7 +642,7 @@ void balloon_set_new_target(unsigned long target)
{
/* No need for lock. Not read-modify-write updates. */
balloon_stats.target_pages = target;
schedule_delayed_work(&balloon_worker, 0);
wake_up(&balloon_thread_wq);
}
EXPORT_SYMBOL_GPL(balloon_set_new_target);
@ -727,7 +747,7 @@ void free_xenballooned_pages(int nr_pages, struct page **pages)
/* The balloon may be too large now. Shrink it if needed. */
if (current_credit())
schedule_delayed_work(&balloon_worker, 0);
wake_up(&balloon_thread_wq);
mutex_unlock(&balloon_mutex);
}
@ -761,6 +781,8 @@ static void __init balloon_add_region(unsigned long start_pfn,
static int __init balloon_init(void)
{
struct task_struct *task;
if (!xen_domain())
return -ENODEV;
@ -804,6 +826,12 @@ static int __init balloon_init(void)
}
#endif
task = kthread_run(balloon_thread, NULL, "xen-balloon");
if (IS_ERR(task)) {
pr_err("xen-balloon thread could not be started, ballooning will not work!\n");
return PTR_ERR(task);
}
/* Init the xen-balloon driver. */
xen_balloon_init();

View File

@ -3079,9 +3079,10 @@ cifs_match_super(struct super_block *sb, void *data)
spin_lock(&cifs_tcp_ses_lock);
cifs_sb = CIFS_SB(sb);
tlink = cifs_get_tlink(cifs_sb_master_tlink(cifs_sb));
if (IS_ERR(tlink)) {
if (tlink == NULL) {
/* can not match superblock if tlink were ever null */
spin_unlock(&cifs_tcp_ses_lock);
return rc;
return 0;
}
tcon = tlink_tcon(tlink);
ses = tcon->ses;

View File

@ -554,7 +554,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)
struct dir_private_info *info = file->private_data;
struct inode *inode = file_inode(file);
struct fname *fname;
int ret;
int ret = 0;
if (!info) {
info = ext4_htree_create_dir_info(file, ctx->pos);
@ -602,7 +602,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)
info->curr_minor_hash,
&info->next_hash);
if (ret < 0)
return ret;
goto finished;
if (ret == 0) {
ctx->pos = ext4_get_htree_eof(file);
break;
@ -633,7 +633,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)
}
finished:
info->last_pos = ctx->pos;
return 0;
return ret < 0 ? ret : 0;
}
static int ext4_dir_open(struct inode * inode, struct file * filp)

View File

@ -3705,7 +3705,7 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres,
oi = OCFS2_I(inode);
oi->ip_dir_lock_gen++;
mlog(0, "generation: %u\n", oi->ip_dir_lock_gen);
goto out;
goto out_forget;
}
if (!S_ISREG(inode->i_mode))
@ -3736,6 +3736,7 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres,
filemap_fdatawait(mapping);
}
out_forget:
forget_all_cached_acls(inode);
out:

View File

@ -15,13 +15,48 @@
#include <linux/buffer_head.h>
#include "qnx4.h"
/*
* A qnx4 directory entry is an inode entry or link info
* depending on the status field in the last byte. The
* first byte is where the name start either way, and a
* zero means it's empty.
*
* Also, due to a bug in gcc, we don't want to use the
* real (differently sized) name arrays in the inode and
* link entries, but always the 'de_name[]' one in the
* fake struct entry.
*
* See
*
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578#c6
*
* for details, but basically gcc will take the size of the
* 'name' array from one of the used union entries randomly.
*
* This use of 'de_name[]' (48 bytes) avoids the false positive
* warnings that would happen if gcc decides to use 'inode.di_name'
* (16 bytes) even when the pointer and size were to come from
* 'link.dl_name' (48 bytes).
*
* In all cases the actual name pointer itself is the same, it's
* only the gcc internal 'what is the size of this field' logic
* that can get confused.
*/
union qnx4_directory_entry {
struct {
const char de_name[48];
u8 de_pad[15];
u8 de_status;
};
struct qnx4_inode_entry inode;
struct qnx4_link_info link;
};
static int qnx4_readdir(struct file *file, struct dir_context *ctx)
{
struct inode *inode = file_inode(file);
unsigned int offset;
struct buffer_head *bh;
struct qnx4_inode_entry *de;
struct qnx4_link_info *le;
unsigned long blknum;
int ix, ino;
int size;
@ -38,27 +73,27 @@ static int qnx4_readdir(struct file *file, struct dir_context *ctx)
}
ix = (ctx->pos >> QNX4_DIR_ENTRY_SIZE_BITS) % QNX4_INODES_PER_BLOCK;
for (; ix < QNX4_INODES_PER_BLOCK; ix++, ctx->pos += QNX4_DIR_ENTRY_SIZE) {
union qnx4_directory_entry *de;
offset = ix * QNX4_DIR_ENTRY_SIZE;
de = (struct qnx4_inode_entry *) (bh->b_data + offset);
if (!de->di_fname[0])
de = (union qnx4_directory_entry *) (bh->b_data + offset);
if (!de->de_name[0])
continue;
if (!(de->di_status & (QNX4_FILE_USED|QNX4_FILE_LINK)))
if (!(de->de_status & (QNX4_FILE_USED|QNX4_FILE_LINK)))
continue;
if (!(de->di_status & QNX4_FILE_LINK))
size = QNX4_SHORT_NAME_MAX;
else
size = QNX4_NAME_MAX;
size = strnlen(de->di_fname, size);
QNX4DEBUG((KERN_INFO "qnx4_readdir:%.*s\n", size, de->di_fname));
if (!(de->di_status & QNX4_FILE_LINK))
if (!(de->de_status & QNX4_FILE_LINK)) {
size = sizeof(de->inode.di_fname);
ino = blknum * QNX4_INODES_PER_BLOCK + ix - 1;
else {
le = (struct qnx4_link_info*)de;
ino = ( le32_to_cpu(le->dl_inode_blk) - 1 ) *
} else {
size = sizeof(de->link.dl_fname);
ino = ( le32_to_cpu(de->link.dl_inode_blk) - 1 ) *
QNX4_INODES_PER_BLOCK +
le->dl_inode_ndx;
de->link.dl_inode_ndx;
}
if (!dir_emit(ctx, de->di_fname, size, ino, DT_UNKNOWN)) {
size = strnlen(de->de_name, size);
QNX4DEBUG((KERN_INFO "qnx4_readdir:%.*s\n", size, name));
if (!dir_emit(ctx, de->de_name, size, ino, DT_UNKNOWN)) {
brelse(bh);
return 0;
}

View File

@ -152,6 +152,8 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
(typeof(ptr)) (__ptr + (off)); })
#endif
#define absolute_pointer(val) RELOC_HIDE((void *)(val), 0)
#ifndef OPTIMIZER_HIDE_VAR
#define OPTIMIZER_HIDE_VAR(var) barrier()
#endif

View File

@ -235,7 +235,7 @@ static inline struct cred *get_new_cred(struct cred *cred)
* @cred: The credentials to reference
*
* Get a reference on the specified set of credentials. The caller must
* release the reference.
* release the reference. If %NULL is passed, it is returned with no action.
*
* This is used to deal with a committed set of credentials. Although the
* pointer is const, this will temporarily discard the const and increment the
@ -246,6 +246,8 @@ static inline struct cred *get_new_cred(struct cred *cred)
static inline const struct cred *get_cred(const struct cred *cred)
{
struct cred *nonconst_cred = (struct cred *) cred;
if (!cred)
return cred;
validate_creds(cred);
nonconst_cred->non_rcu = 0;
return get_new_cred(nonconst_cred);
@ -256,7 +258,7 @@ static inline const struct cred *get_cred(const struct cred *cred)
* @cred: The credentials to release
*
* Release a reference to a set of credentials, deleting them when the last ref
* is released.
* is released. If %NULL is passed, nothing is done.
*
* This takes a const pointer to a set of credentials because the credentials
* on task_struct are attached by const pointers to prevent accidental
@ -266,9 +268,11 @@ static inline void put_cred(const struct cred *_cred)
{
struct cred *cred = (struct cred *) _cred;
validate_creds(cred);
if (atomic_dec_and_test(&(cred)->usage))
__put_cred(cred);
if (cred) {
validate_creds(cred);
if (atomic_dec_and_test(&(cred)->usage))
__put_cred(cred);
}
}
/**

View File

@ -454,8 +454,10 @@ struct sock {
u32 sk_ack_backlog;
u32 sk_max_ack_backlog;
kuid_t sk_uid;
spinlock_t sk_peer_lock;
struct pid *sk_peer_pid;
const struct cred *sk_peer_cred;
long sk_rcvtimeo;
ktime_t sk_stamp;
#if BITS_PER_LONG==32

View File

@ -515,9 +515,17 @@ static struct attribute *sugov_attributes[] = {
NULL
};
static void sugov_tunables_free(struct kobject *kobj)
{
struct gov_attr_set *attr_set = container_of(kobj, struct gov_attr_set, kobj);
kfree(to_sugov_tunables(attr_set));
}
static struct kobj_type sugov_tunables_ktype = {
.default_attrs = sugov_attributes,
.sysfs_ops = &governor_sysfs_ops,
.release = &sugov_tunables_free,
};
/********************** cpufreq governor interface *********************/
@ -608,12 +616,10 @@ static struct sugov_tunables *sugov_tunables_alloc(struct sugov_policy *sg_polic
return tunables;
}
static void sugov_tunables_free(struct sugov_tunables *tunables)
static void sugov_clear_global_tunables(void)
{
if (!have_governor_per_policy())
global_tunables = NULL;
kfree(tunables);
}
static int sugov_init(struct cpufreq_policy *policy)
@ -677,7 +683,7 @@ out:
fail:
kobject_put(&tunables->attr_set.kobj);
policy->governor_data = NULL;
sugov_tunables_free(tunables);
sugov_clear_global_tunables();
stop_kthread:
sugov_kthread_stop(sg_policy);
@ -704,7 +710,7 @@ static void sugov_exit(struct cpufreq_policy *policy)
count = gov_attr_set_put(&tunables->attr_set, &sg_policy->tunables_hook);
policy->governor_data = NULL;
if (!count)
sugov_tunables_free(tunables);
sugov_clear_global_tunables();
mutex_unlock(&global_tunables_lock);

View File

@ -1679,6 +1679,14 @@ static int blk_trace_remove_queue(struct request_queue *q)
if (bt == NULL)
return -EINVAL;
if (bt->trace_state == Blktrace_running) {
bt->trace_state = Blktrace_stopped;
spin_lock_irq(&running_trace_lock);
list_del_init(&bt->running_list);
spin_unlock_irq(&running_trace_lock);
relay_flush(bt->rchan);
}
put_probe_ref();
synchronize_rcu();
blk_trace_free(bt);

View File

@ -1069,6 +1069,16 @@ set_rcvbuf:
}
EXPORT_SYMBOL(sock_setsockopt);
static const struct cred *sk_get_peer_cred(struct sock *sk)
{
const struct cred *cred;
spin_lock(&sk->sk_peer_lock);
cred = get_cred(sk->sk_peer_cred);
spin_unlock(&sk->sk_peer_lock);
return cred;
}
static void cred_to_ucred(struct pid *pid, const struct cred *cred,
struct ucred *ucred)
@ -1242,7 +1252,11 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
struct ucred peercred;
if (len > sizeof(peercred))
len = sizeof(peercred);
spin_lock(&sk->sk_peer_lock);
cred_to_ucred(sk->sk_peer_pid, sk->sk_peer_cred, &peercred);
spin_unlock(&sk->sk_peer_lock);
if (copy_to_user(optval, &peercred, len))
return -EFAULT;
goto lenout;
@ -1250,20 +1264,23 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
case SO_PEERGROUPS:
{
const struct cred *cred;
int ret, n;
if (!sk->sk_peer_cred)
cred = sk_get_peer_cred(sk);
if (!cred)
return -ENODATA;
n = sk->sk_peer_cred->group_info->ngroups;
n = cred->group_info->ngroups;
if (len < n * sizeof(gid_t)) {
len = n * sizeof(gid_t);
put_cred(cred);
return put_user(len, optlen) ? -EFAULT : -ERANGE;
}
len = n * sizeof(gid_t);
ret = groups_to_user((gid_t __user *)optval,
sk->sk_peer_cred->group_info);
ret = groups_to_user((gid_t __user *)optval, cred->group_info);
put_cred(cred);
if (ret)
return ret;
goto lenout;
@ -1574,9 +1591,10 @@ static void __sk_destruct(struct rcu_head *head)
sk->sk_frag.page = NULL;
}
if (sk->sk_peer_cred)
put_cred(sk->sk_peer_cred);
/* We do not need to acquire sk->sk_peer_lock, we are the last user. */
put_cred(sk->sk_peer_cred);
put_pid(sk->sk_peer_pid);
if (likely(sk->sk_net_refcnt))
put_net(sock_net(sk));
sk_prot_free(sk->sk_prot_creator, sk);
@ -2753,6 +2771,8 @@ void sock_init_data(struct socket *sock, struct sock *sk)
sk->sk_peer_pid = NULL;
sk->sk_peer_cred = NULL;
spin_lock_init(&sk->sk_peer_lock);
sk->sk_write_pending = 0;
sk->sk_rcvlowat = 1;
sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT;

View File

@ -882,7 +882,7 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
__be16 dport;
u8 tos;
int err, is_udplite = IS_UDPLITE(sk);
int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
int corkreq = READ_ONCE(up->corkflag) || msg->msg_flags&MSG_MORE;
int (*getfrag)(void *, char *, int, int, int, struct sk_buff *);
struct sk_buff *skb;
struct ip_options_data opt_copy;
@ -1165,7 +1165,7 @@ int udp_sendpage(struct sock *sk, struct page *page, int offset,
}
up->len += size;
if (!(up->corkflag || (flags&MSG_MORE)))
if (!(READ_ONCE(up->corkflag) || (flags&MSG_MORE)))
ret = udp_push_pending_frames(sk);
if (!ret)
ret = size;
@ -2373,9 +2373,9 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
switch (optname) {
case UDP_CORK:
if (val != 0) {
up->corkflag = 1;
WRITE_ONCE(up->corkflag, 1);
} else {
up->corkflag = 0;
WRITE_ONCE(up->corkflag, 0);
lock_sock(sk);
push_pending_frames(sk);
release_sock(sk);
@ -2482,7 +2482,7 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname,
switch (optname) {
case UDP_CORK:
val = up->corkflag;
val = READ_ONCE(up->corkflag);
break;
case UDP_ENCAP:

View File

@ -1135,7 +1135,7 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
struct ipcm6_cookie ipc6;
int addr_len = msg->msg_namelen;
int ulen = len;
int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
int corkreq = READ_ONCE(up->corkflag) || msg->msg_flags&MSG_MORE;
int err;
int connected = 0;
int is_udplite = IS_UDPLITE(sk);

View File

@ -2068,7 +2068,11 @@ static bool ieee80211_parse_tx_radiotap(struct ieee80211_local *local,
}
vht_mcs = iterator.this_arg[4] >> 4;
if (vht_mcs > 11)
vht_mcs = 0;
vht_nss = iterator.this_arg[4] & 0xF;
if (!vht_nss || vht_nss > 8)
vht_nss = 1;
break;
/*
@ -3202,6 +3206,14 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_amsdu_prepare_head(sdata, fast_tx, head))
goto out;
/* If n == 2, the "while (*frag_tail)" loop above didn't execute
* and frag_tail should be &skb_shinfo(head)->frag_list.
* However, ieee80211_amsdu_prepare_head() can reallocate it.
* Reload frag_tail to have it pointing to the correct place.
*/
if (n == 2)
frag_tail = &skb_shinfo(head)->frag_list;
/*
* Pad out the previous subframe to a multiple of 4 by adding the
* padding to the next one, that's being added. Note that head->len

View File

@ -514,6 +514,9 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx,
return RX_DROP_UNUSABLE;
}
/* reload hdr - skb might have been reallocated */
hdr = (void *)rx->skb->data;
data_len = skb->len - hdrlen - IEEE80211_CCMP_HDR_LEN - mic_len;
if (!rx->sta || data_len < 0)
return RX_DROP_UNUSABLE;
@ -744,6 +747,9 @@ ieee80211_crypto_gcmp_decrypt(struct ieee80211_rx_data *rx)
return RX_DROP_UNUSABLE;
}
/* reload hdr - skb might have been reallocated */
hdr = (void *)rx->skb->data;
data_len = skb->len - hdrlen - IEEE80211_GCMP_HDR_LEN - mic_len;
if (!rx->sta || data_len < 0)
return RX_DROP_UNUSABLE;

View File

@ -104,11 +104,11 @@ htable_size(u8 hbits)
{
size_t hsize;
/* We must fit both into u32 in jhash and size_t */
/* We must fit both into u32 in jhash and INT_MAX in kvmalloc_node() */
if (hbits > 31)
return 0;
hsize = jhash_size(hbits);
if ((((size_t)-1) - sizeof(struct htable)) / sizeof(struct hbucket *)
if ((INT_MAX - sizeof(struct htable)) / sizeof(struct hbucket *)
< hsize)
return 0;

View File

@ -1406,6 +1406,10 @@ int __init ip_vs_conn_init(void)
int idx;
/* Compute size and mask */
if (ip_vs_conn_tab_bits < 8 || ip_vs_conn_tab_bits > 20) {
pr_info("conn_tab_bits not in [8, 20]. Using default value\n");
ip_vs_conn_tab_bits = CONFIG_IP_VS_TAB_BITS;
}
ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits;
ip_vs_conn_tab_mask = ip_vs_conn_tab_size - 1;

View File

@ -679,7 +679,7 @@ static int sctp_rcv_ootb(struct sk_buff *skb)
ch = skb_header_pointer(skb, offset, sizeof(*ch), &_ch);
/* Break out if chunk length is less then minimal. */
if (ntohs(ch->length) < sizeof(_ch))
if (!ch || ntohs(ch->length) < sizeof(_ch))
break;
ch_end = offset + SCTP_PAD4(ntohs(ch->length));

View File

@ -595,20 +595,42 @@ static void unix_release_sock(struct sock *sk, int embrion)
static void init_peercred(struct sock *sk)
{
put_pid(sk->sk_peer_pid);
if (sk->sk_peer_cred)
put_cred(sk->sk_peer_cred);
const struct cred *old_cred;
struct pid *old_pid;
spin_lock(&sk->sk_peer_lock);
old_pid = sk->sk_peer_pid;
old_cred = sk->sk_peer_cred;
sk->sk_peer_pid = get_pid(task_tgid(current));
sk->sk_peer_cred = get_current_cred();
spin_unlock(&sk->sk_peer_lock);
put_pid(old_pid);
put_cred(old_cred);
}
static void copy_peercred(struct sock *sk, struct sock *peersk)
{
put_pid(sk->sk_peer_pid);
if (sk->sk_peer_cred)
put_cred(sk->sk_peer_cred);
const struct cred *old_cred;
struct pid *old_pid;
if (sk < peersk) {
spin_lock(&sk->sk_peer_lock);
spin_lock_nested(&peersk->sk_peer_lock, SINGLE_DEPTH_NESTING);
} else {
spin_lock(&peersk->sk_peer_lock);
spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING);
}
old_pid = sk->sk_peer_pid;
old_cred = sk->sk_peer_cred;
sk->sk_peer_pid = get_pid(peersk->sk_peer_pid);
sk->sk_peer_cred = get_cred(peersk->sk_peer_cred);
spin_unlock(&sk->sk_peer_lock);
spin_unlock(&peersk->sk_peer_lock);
put_pid(old_pid);
put_cred(old_cred);
}
static int unix_listen(struct socket *sock, int backlog)