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| author | Jens Axboe <axboe@kernel.dk> | 2023-03-30 20:29:47 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-03-30 20:29:47 -0600 |
| commit | 24ab70d83784a807c9ddff939ea762ef19bd4ffd (patch) | |
| tree | 357ef07083c11b1d6dfa0b3db1021bb36157a4f4 | |
| parent | 1a06ed2d4289e392c38feb9dc0ef223b1c4efb34 (diff) | |
| parent | 433279beba1d4872da10b7b60a539e0cb828b32b (diff) | |
Merge tag 'md-fixes-2023-03-29' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-6.3block-6.3-2023-03-30
Pull MD fix from Song.
* tag 'md-fixes-2023-03-29' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
md: fix regression for null-ptr-deference in __md_stop()
| -rw-r--r-- | drivers/md/md.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 39e49e5d7182..13321dbb5fbc 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6260,7 +6260,6 @@ static void __md_stop(struct mddev *mddev) module_put(pers->owner); clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - percpu_ref_exit(&mddev->writes_pending); percpu_ref_exit(&mddev->active_io); bioset_exit(&mddev->bio_set); bioset_exit(&mddev->sync_set); @@ -6273,6 +6272,7 @@ void md_stop(struct mddev *mddev) */ __md_stop_writes(mddev); __md_stop(mddev); + percpu_ref_exit(&mddev->writes_pending); } EXPORT_SYMBOL_GPL(md_stop); @@ -7843,6 +7843,7 @@ static void md_free_disk(struct gendisk *disk) { struct mddev *mddev = disk->private_data; + percpu_ref_exit(&mddev->writes_pending); mddev_free(mddev); } |