diff options
| author | Anand Jain | 2019-08-27 15:40:45 +0800 |
|---|---|---|
| committer | David Sterba | 2019-09-09 14:59:14 +0200 |
| commit | d2979aa25fc8de6498d906ae6b46b028457d6400 (patch) | |
| tree | 8eec1aae38c552cc0d6f268e550baf4a42fd3252 /fs/btrfs | |
| parent | a06dee4d7eb67c35e7b7da0b84216424d60a87d3 (diff) | |
btrfs: use proper error values on allocation failure in clone_fs_devices
Fix the fake ENOMEM return error code to the actual error in
clone_fs_devices().
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/volumes.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index c7a08fe26672..8bfc41f1b3b6 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1115,6 +1115,7 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig) struct btrfs_fs_devices *fs_devices; struct btrfs_device *device; struct btrfs_device *orig_dev; + int ret = 0; fs_devices = alloc_fs_devices(orig->fsid, NULL); if (IS_ERR(fs_devices)) @@ -1128,8 +1129,10 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig) device = btrfs_alloc_device(NULL, &orig_dev->devid, orig_dev->uuid); - if (IS_ERR(device)) + if (IS_ERR(device)) { + ret = PTR_ERR(device); goto error; + } /* * This is ok to do without rcu read locked because we hold the @@ -1140,6 +1143,7 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig) GFP_KERNEL); if (!name) { btrfs_free_device(device); + ret = -ENOMEM; goto error; } rcu_assign_pointer(device->name, name); @@ -1154,7 +1158,7 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig) error: mutex_unlock(&orig->device_list_mutex); free_fs_devices(fs_devices); - return ERR_PTR(-ENOMEM); + return ERR_PTR(ret); } /* |