null_blk: Fix missing mutex_destroy() at module removal
authorZhu Yanjun <yanjun.zhu@linux.dev>
Thu, 25 Apr 2024 17:16:35 +0000 (19:16 +0200)
committerJens Axboe <axboe@kernel.dk>
Thu, 25 Apr 2024 20:15:00 +0000 (14:15 -0600)
commit07d1b99825f40f9c0d93e6b99d79a08d0717bac1
treef72e97cb8d552a20d68efba34ad4b9bb8376830b
parentbf4f776d9f906c36acb473b3e449e97b3938fc55
null_blk: Fix missing mutex_destroy() at module removal

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

Fixes: f2298c0403b0 ("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>
drivers/block/null_blk/main.c