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nvmet-tcp: fix unhandled tcp states in nvmet_tcp_state_change()

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[ Upstream commit 478814a5584197fa1fb18377653626e3416e7cd6 ]

TCP_FIN_WAIT2 and TCP_LAST_ACK were not handled, the connection is closing
so we can ignore them and avoid printing the "unhandled state"
warning message.

[ 1298.852386] nvmet_tcp: queue 2 unhandled state 5
[ 1298.879112] nvmet_tcp: queue 7 unhandled state 5
[ 1298.884253] nvmet_tcp: queue 8 unhandled state 5
[ 1298.889475] nvmet_tcp: queue 9 unhandled state 5

v2: Do not call nvmet_tcp_schedule_release_queue(), just ignore
the fin_wait2 and last_ack states.

Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Maurizio Lombardi 2022-08-29 14:40:30 +02:00 committed by Greg Kroah-Hartman
parent 161e755552
commit baba0cfc3d
1 changed files with 3 additions and 0 deletions
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3
drivers/nvme/target/tcp.c
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@ -1416,6 +1416,9 @@ static void nvmet_tcp_state_change(struct sock *sk)
goto done;
switch (sk->sk_state) {
case TCP_FIN_WAIT2:
case TCP_LAST_ACK:
break;
case TCP_FIN_WAIT1:
case TCP_CLOSE_WAIT:
case TCP_CLOSE: