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msm-4.14/net/smc
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Guangguan Wang dc25553cc6 net/smc: non blocking recvmsg() return -EAGAIN when no data and signal_pending 
[ Upstream commit f3c46e41b32b6266cf60b0985c61748f53bf1c61 ]

Non blocking sendmsg will return -EAGAIN when any signal pending
and no send space left, while non blocking recvmsg return -EINTR
when signal pending and no data received. This may makes confused.
As TCP returns -EAGAIN in the conditions described above. Align the
behavior of smc with TCP.

Fixes: 846e344eb722 ("net/smc: add receive timeout check")
Signed-off-by: Guangguan Wang <guangguan.wang@linux.alibaba.com>
Reviewed-by: Tony Lu <tonylu@linux.alibaba.com>
Acked-by: Karsten Graul <kgraul@linux.ibm.com>
Link: https://lore.kernel.org/r/20220512030820.73848-1-guangguan.wang@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-05-18 09:18:06 +02:00
..
af_smc.c
net/smc: Don't call clcsock shutdown twice when smc shutdown
2021-12-08 08:46:49 +01:00
Kconfig
…
Makefile
…
smc_cdc.c
…
smc_cdc.h
…
smc_clc.c
…
smc_clc.h
…
smc_close.c
net/smc: Keep smc_close_final rc during active close
2021-12-08 08:46:55 +01:00
smc_close.h
…
smc_core.c
net/smc: correct settings of RMB window update limit
2022-04-20 09:08:27 +02:00
smc_core.h
…
smc_diag.c
net/smc: fix leak of kernel memory to user space
2020-02-28 16:36:09 +01:00
smc_ib.c
net/smc: check for valid ib_client_data
2020-03-20 10:54:20 +01:00
smc_ib.h
…
smc_llc.c
net/smc: use link_id of server in confirm link reply
2018-05-30 07:52:07 +02:00
smc_llc.h
…
smc_pnet.c
net/smc: check for missing nlattrs in SMC_PNETID messages
2018-05-25 16:17:24 +02:00
smc_pnet.h
…
smc_rx.c
net/smc: non blocking recvmsg() return -EAGAIN when no data and signal_pending
2022-05-18 09:18:06 +02:00
smc_rx.h
…
smc_tx.c
net/smc: make sure EPOLLOUT is raised
2019-09-06 10:20:50 +02:00
smc_tx.h
…
smc_wr.c
net/smc: use after free fix in smc_wr_tx_put_slot()
2019-12-17 20:38:01 +01:00
smc_wr.h
net/smc: pay attention to MAX_ORDER for CQ entries
2018-05-30 07:52:32 +02:00
smc.h
net/smc: fix TCP fallback socket release
2019-01-09 17:14:46 +01:00