null_blk: Fix missing mutex_destroy() at module removal

[ Upstream commit 07d1b99825 ]

When a mutex lock is not used any more, the function mutex_destroy
should be called to mark the mutex lock uninitialized.

Fixes: f2298c0403 ("null_blk: multi queue aware block test driver")
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Link: https://lore.kernel.org/r/20240425171635.4227-1-yanjun.zhu@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhu Yanjun 2024-04-25 19:16:35 +02:00 committed by Greg Kroah-Hartman
parent 3355628ed0
commit 54f39d56d6

View File

@ -2045,6 +2045,8 @@ static void __exit null_exit(void)
if (g_queue_mode == NULL_Q_MQ && shared_tags)
blk_mq_free_tag_set(&tag_set);
mutex_destroy(&lock);
}
module_init(null_init);