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| author |   Christoph Hellwig <hch@lst.de> | 2021-09-01 13:38:32 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-10-18 14:50:21 -0600 |
| commit | 94f3cd7d832c28681f1dea54b4dd8606e5e2bc75 (patch) | |
| tree | 3752d011c614186998442663f46e498cba04364e /drivers/md/md.c | |
| parent | md: add the bitmap group to the default groups for the md kobject (diff) | |
| download | linux-dev-94f3cd7d832c28681f1dea54b4dd8606e5e2bc75.tar.xz linux-dev-94f3cd7d832c28681f1dea54b4dd8606e5e2bc75.zip | |
md: extend disks_mutex coverage
disks_mutex is intended to serialize md_alloc. Extended it to also cover
the kobject_uevent call and getting the sysfs dirent to help reducing
error handling complexity.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index e04a23dc46bf..946bbedf5dcf 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5725,12 +5725,12 @@ static int md_alloc(dev_t dev, char *name) error = 0; } abort: - mutex_unlock(&disks_mutex); if (!error && mddev->kobj.sd) { kobject_uevent(&mddev->kobj, KOBJ_ADD); mddev->sysfs_state = sysfs_get_dirent_safe(mddev->kobj.sd, "array_state"); mddev->sysfs_level = sysfs_get_dirent_safe(mddev->kobj.sd, "level"); } + mutex_unlock(&disks_mutex); mddev_put(mddev); return error; } |