From: Sagi Grimberg sagi@grimberg.me
[ Upstream commit 160f3549a907a50e51a8518678ba2dcf2541abea ]
We should also bail from the io_work loop when we set rd_enabled to true, so we don't attempt to read data from the socket when the TCP stream is already out-of-sync or corrupted.
Fixes: 3f2304f8c6d6 ("nvme-tcp: add NVMe over TCP host driver") Reported-by: Daniel Wagner dwagner@suse.de Signed-off-by: Sagi Grimberg sagi@grimberg.me Reviewed-by: Daniel Wagner dwagner@suse.de Signed-off-by: Christoph Hellwig hch@lst.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/nvme/host/tcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 7a9e6ffa23429..40bd68ba1040a 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1227,7 +1227,7 @@ static void nvme_tcp_io_work(struct work_struct *w) else if (unlikely(result < 0)) return;
- if (!pending) + if (!pending || !queue->rd_enabled) return;
} while (!time_after(jiffies, deadline)); /* quota is exhausted */