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nvme-tcp: break from io_work loop if recv failed

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If we failed to receive data from the socket, don't try
to further process it, we will for sure be handling a queue
error at this point. While no issue was seen with the
current behavior thus far, its safer to cease socket processing
if we detected an error.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Sagi Grimberg 2020-02-25 16:43:24 -08:00 committed by Keith Busch
parent 5ff4e11264
commit 761ad26c45
1 changed files with 2 additions and 0 deletions
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2
drivers/nvme/host/tcp.c
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@ -1074,6 +1074,8 @@ static void nvme_tcp_io_work(struct work_struct *w)
result = nvme_tcp_try_recv(queue);
if (result > 0)
pending = true;
else if (unlikely(result < 0))
break;
if (!pending)
return;