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nvmet-fcloop: Do not wait on completion when unregister fails

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The nvme_fc_unregister_localport() returns an error code in case that
the locaport pointer is NULL or has already been unegisterd. localport is
is either in the ONLINE state (all resources allocated) or has already
been put into DELETED state.

In this case we will never receive an wakeup call and thus any caller
will hang, e.g. module unload.

Signed-off-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Daniel Wagner 2023-06-06 14:24:11 +02:00 committed by Keith Busch
parent 959ffef13b
commit d97b4111b3
1 changed files with 2 additions and 1 deletions
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3
drivers/nvme/target/fcloop.c
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@ -1166,7 +1166,8 @@ __wait_localport_unreg(struct fcloop_lport *lport)
ret = nvme_fc_unregister_localport(lport->localport);
wait_for_completion(&lport->unreg_done);
if (!ret)
wait_for_completion(&lport->unreg_done);
kfree(lport);