Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 831c904a authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Greg Kroah-Hartman
Browse files

nvme-tcp: fix possible hang waiting for icresp response 



[ Upstream commit adc99fd378398f4c58798a1c57889872967d56a6 ]

If the controller died exactly when we are receiving icresp
we hang because icresp may never return. Make sure to set a
high finite limit.

Fixes: 3f2304f8 ("nvme-tcp: add NVMe over TCP host driver")
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 9a1d0084

drivers/nvme/host/tcp.c

+3 −0
Original line number Diff line number Diff line
@@ -1319,6 +1319,9 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, 
		}

	}



	/* Set 10 seconds timeout for icresp recvmsg */

	queue->sock->sk->sk_rcvtimeo = 10 * HZ;



	queue->sock->sk->sk_allocation = GFP_ATOMIC;

	if (!qid)

		n = 0;