linux-kernel - [PATCH AUTOSEL 6.1 15/17] nvmet-fc: put ref when assoc->del

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Message-Id: <20250414133048.680608-15-sashal@kernel.org>
Date: Mon, 14 Apr 2025 09:30:46 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Daniel Wagner <wagi@...nel.org>,
	Hannes Reinecke <hare@...e.de>,
	Christoph Hellwig <hch@....de>,
	Sasha Levin <sashal@...nel.org>,
	james.smart@...adcom.com,
	sagi@...mberg.me,
	kch@...dia.com,
	linux-nvme@...ts.infradead.org
Subject: [PATCH AUTOSEL 6.1 15/17] nvmet-fc: put ref when assoc->del_work is already scheduled

From: Daniel Wagner <wagi@...nel.org>

[ Upstream commit 70289ae5cac4d3a39575405aaf63330486cea030 ]

Do not leak the tgtport reference when the work is already scheduled.

Signed-off-by: Daniel Wagner <wagi@...nel.org>
Reviewed-by: Hannes Reinecke <hare@...e.de>
Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/nvme/target/fc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 50953e0f9772d..ad43d36c537be 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -1105,7 +1105,8 @@ static void
 nvmet_fc_schedule_delete_assoc(struct nvmet_fc_tgt_assoc *assoc)
 {
 	nvmet_fc_tgtport_get(assoc->tgtport);
-	queue_work(nvmet_wq, &assoc->del_work);
+	if (!queue_work(nvmet_wq, &assoc->del_work))
+		nvmet_fc_tgtport_put(assoc->tgtport);
 }
 
 static struct nvmet_fc_tgt_assoc *
-- 
2.39.5