From d97b4111b3228122284df0263200f02fd44751fd Mon Sep 17 00:00:00 2001 From: Daniel Wagner Date: Tue, 6 Jun 2023 14:24:11 +0200 Subject: [PATCH] nvmet-fcloop: Do not wait on completion when unregister fails 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 Reviewed-by: Sagi Grimberg Reviewed-by: Christoph Hellwig Signed-off-by: Keith Busch --- drivers/nvme/target/fcloop.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c index 1ab3d900f2bf..c65a73433c05 100644 --- a/drivers/nvme/target/fcloop.c +++ b/drivers/nvme/target/fcloop.c @@ -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); -- 2.11.0