linux-kernel - [PATCH AUTOSEL 5.4 4/7] nvmet-tcp: fix nvme tcp ida memory leak

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Message-ID: <20240207212732.4627-4-sashal@kernel.org>
Date: Wed,  7 Feb 2024 16:27:28 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Guixin Liu <kanie@...ux.alibaba.com>,
	Christoph Hellwig <hch@....de>,
	Chaitanya Kulkarni <kch@...dia.com>,
	Keith Busch <kbusch@...nel.org>,
	Sasha Levin <sashal@...nel.org>,
	sagi@...mberg.me,
	linux-nvme@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.4 4/7] nvmet-tcp: fix nvme tcp ida memory leak

From: Guixin Liu <kanie@...ux.alibaba.com>

[ Upstream commit 47c5dd66c1840524572dcdd956f4af2bdb6fbdff ]

The nvmet_tcp_queue_ida should be destroy when the nvmet-tcp module
exit.

Signed-off-by: Guixin Liu <kanie@...ux.alibaba.com>
Reviewed-by: Christoph Hellwig <hch@....de>
Reviewed-by: Chaitanya Kulkarni <kch@...dia.com>
Signed-off-by: Keith Busch <kbusch@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/nvme/target/tcp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index be9e97657557..d40bd57537ba 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -1817,6 +1817,7 @@ static void __exit nvmet_tcp_exit(void)
 	flush_scheduled_work();
 
 	destroy_workqueue(nvmet_tcp_wq);
+	ida_destroy(&nvmet_tcp_queue_ida);
 }
 
 module_init(nvmet_tcp_init);
-- 
2.43.0