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[PATCH] x86_64: Fix dump_trace()

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If caller passed the tsk, we should use it to validate a stack ptr.
Otherwise, sysrq-t and other debugging stuff doesn't work.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
OGAWA Hirofumi 2007-01-04 01:21:28 +09:00 committed by Linus Torvalds
parent b06b5a53ad
commit 7523c4dd99
1 changed files with 1 additions and 1 deletions
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arch/x86_64/kernel/traps.c
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@ -319,7 +319,7 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
/* /*
* This handles the process stack: * This handles the process stack:
*/ */
tinfo = current_thread_info(); tinfo = task_thread_info(tsk);
HANDLE_STACK (valid_stack_ptr(tinfo, stack)); HANDLE_STACK (valid_stack_ptr(tinfo, stack));
#undef HANDLE_STACK #undef HANDLE_STACK
put_cpu(); put_cpu();