[PATCH v3 01/18] nvmet-fcloop: remove nport from list on last user

[Daniel Wagner]

The nport object has an association with the rport and lport object,
that means we can only remove an nport object from the global nport_list
after the last user of an rport or lport is gone.

Reviewed-by: Hannes Reinecke <hare at suse.de>
Reviewed-by: Christoph Hellwig <hch at lst.de>
Signed-off-by: Daniel Wagner <wagi at kernel.org>
---
 drivers/nvme/target/fcloop.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index 3390215b1c1f040001985a0d33741e57f1f80cb3..09546c3161fd9828234e58641de3e53519e27824 100644
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -1004,6 +1004,11 @@ fcloop_nport_free(struct kref *ref)
 {
 	struct fcloop_nport *nport =
 		container_of(ref, struct fcloop_nport, ref);
+	unsigned long flags;
+
+	spin_lock_irqsave(&fcloop_lock, flags);
+	list_del(&nport->nport_list);
+	spin_unlock_irqrestore(&fcloop_lock, flags);
 
 	kfree(nport);
 }
@@ -1362,8 +1367,6 @@ __unlink_remote_port(struct fcloop_nport *nport)
 		nport->tport->remoteport = NULL;
 	nport->rport = NULL;
 
-	list_del(&nport->nport_list);
-
 	return rport;
 }
 

-- 
2.48.1