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| author | Jens Axboe <axboe@kernel.dk> | 2021-09-22 21:43:18 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-09-22 21:43:18 +0300 |
| commit | cd586d213e583c74594c9c357a18c4c290df3b92 (patch) | |
| tree | 6f2a1d6487894719f55610f8ce743a4e6efe8739 | |
| parent | 858560b27645e7e97aca37ee8f232cccd658fbd2 (diff) | |
| parent | 7df835a32a8bedf7ce88efcfa7c9b245b52ff139 (diff) | |
| download | linux-cd586d213e583c74594c9c357a18c4c290df3b92.tar.xz | |
Merge branch 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-5.15
Pull MD fix from Song.
* 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
md: fix a lock order reversal in md_alloc
| -rw-r--r-- | drivers/md/md.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index ae8fe54ea358..6c0c3d0d905a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5700,10 +5700,6 @@ static int md_alloc(dev_t dev, char *name) disk->flags |= GENHD_FL_EXT_DEVT; disk->events |= DISK_EVENT_MEDIA_CHANGE; mddev->gendisk = disk; - /* As soon as we call add_disk(), another thread could get - * through to md_open, so make sure it doesn't get too far - */ - mutex_lock(&mddev->open_mutex); add_disk(disk); error = kobject_add(&mddev->kobj, &disk_to_dev(disk)->kobj, "%s", "md"); @@ -5718,7 +5714,6 @@ static int md_alloc(dev_t dev, char *name) if (mddev->kobj.sd && sysfs_create_group(&mddev->kobj, &md_bitmap_group)) pr_debug("pointless warning\n"); - mutex_unlock(&mddev->open_mutex); abort: mutex_unlock(&disks_mutex); if (!error && mddev->kobj.sd) { |