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Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/volumes.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 911bee9e6ae2..9f26c576911f 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2318,6 +2318,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
u64 tmp;
int seeding_dev = 0;
int ret = 0;
+ bool unlocked = false;
if (sb_rdonly(sb) && !fs_info->fs_devices->seeding)
return -EROFS;
@@ -2477,6 +2478,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
if (seeding_dev) {
mutex_unlock(&uuid_mutex);
up_write(&sb->s_umount);
+ unlocked = true;
if (ret) /* transaction commit */
return ret;
@@ -2489,7 +2491,9 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
if (IS_ERR(trans)) {
if (PTR_ERR(trans) == -ENOENT)
return 0;
- return PTR_ERR(trans);
+ ret = PTR_ERR(trans);
+ trans = NULL;
+ goto error_sysfs;
}
ret = btrfs_commit_transaction(trans);
}
@@ -2503,12 +2507,13 @@ error_sysfs:
error_trans:
if (seeding_dev)
sb->s_flags |= MS_RDONLY;
- btrfs_end_transaction(trans);
+ if (trans)
+ btrfs_end_transaction(trans);
rcu_string_free(device->name);
kfree(device);
error:
blkdev_put(bdev, FMODE_EXCL);
- if (seeding_dev) {
+ if (seeding_dev && !unlocked) {
mutex_unlock(&uuid_mutex);
up_write(&sb->s_umount);
}