diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/bcache/super.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 1ea9fa27ee3c..09573c2bcb5d 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1214,7 +1214,9 @@ void bch_flash_dev_release(struct kobject *kobj) static void flash_dev_free(struct closure *cl) { struct bcache_device *d = container_of(cl, struct bcache_device, cl); + mutex_lock(&bch_register_lock); bcache_device_free(d); + mutex_unlock(&bch_register_lock); kobject_put(&d->kobj); } @@ -1222,7 +1224,9 @@ static void flash_dev_flush(struct closure *cl) { struct bcache_device *d = container_of(cl, struct bcache_device, cl); + mutex_lock(&bch_register_lock); bcache_device_unlink(d); + mutex_unlock(&bch_register_lock); kobject_del(&d->kobj); continue_at(cl, flash_dev_free, system_wq); } |