btrfs: drop useless goto in open_fs_devices

There is no need of goto out in open_fs_devices() as there is nothing
special done there.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.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>

fs/btrfs/volumes.c

@@ -1185,7 +1185,6 @@ static int open_fs_devices(struct btrfs_fs_devices *fs_devices,
 {
 	struct btrfs_device *device;
 	struct btrfs_device *latest_dev = NULL;
-	int ret = 0;
 
 	flags |= FMODE_EXCL;
 
@@ -1198,16 +1197,15 @@ static int open_fs_devices(struct btrfs_fs_devices *fs_devices,
 		    device->generation > latest_dev->generation)
 			latest_dev = device;
 	}
-	if (fs_devices->open_devices == 0) {
-		ret = -EINVAL;
-		goto out;
-	}
+	if (fs_devices->open_devices == 0)
+		return -EINVAL;
+
 	fs_devices->opened = 1;
 	fs_devices->latest_bdev = latest_dev->bdev;
 	fs_devices->total_rw_bytes = 0;
 	fs_devices->chunk_alloc_policy = BTRFS_CHUNK_ALLOC_REGULAR;
-out:
-	return ret;
+
+	return 0;
 }
 
 static int devid_cmp(void *priv, struct list_head *a, struct list_head *b)