From: Sagi Grimberg sagi@grimberg.me
[ 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: 3f2304f8c6d6 ("nvme-tcp: add NVMe over TCP host driver") Signed-off-by: Sagi Grimberg sagi@grimberg.me Signed-off-by: Christoph Hellwig hch@lst.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/nvme/host/tcp.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 7900814355c28..53e113a18a549 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -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;