btrfs: Don't BUG_ON insert errors in btrfs_alloc_dev_extent()

The only caller of btrfs_alloc_dev_extent() is __btrfs_alloc_chunk() which
already bugs on any error returned. We can remove the BUG_ON's in
btrfs_alloc_dev_extent() then since __btrfs_alloc_chunk() will "catch" them
anyway.

Signed-off-by: Mark Fasheh <mfasheh@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c4ea7d8bea0f..281ff354f64f 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1075,7 +1075,8 @@ int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans,
         key.type = BTRFS_DEV_EXTENT_KEY;
         ret = btrfs_insert_empty_item(trans, root, path, &key,
                                       sizeof(*extent));
-        BUG_ON(ret);
+        if (ret)
+                goto out;
 
         leaf = path->nodes[0];
         extent = btrfs_item_ptr(leaf, path->slots[0],
@@ -1090,6 +1091,7 @@ int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans,
 
         btrfs_set_dev_extent_length(leaf, extent, num_bytes);
         btrfs_mark_buffer_dirty(leaf);
+out:
         btrfs_free_path(path);
         return ret;
 }