Btrfs: add missing free_extent_buffer

read_tree_block may take a reference on the 'eb', a following free_extent_buffer is necessary. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
mariux64 · Jun 3, 2015 · 8635eda · 8635eda
1 parent 0c30430
commit 8635eda
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
@@ -7981,6 +7981,7 @@ static int account_shared_subtree(struct btrfs_trans_handle *trans,
 			eb = read_tree_block(root, child_bytenr, child_gen);
 			if (!eb || !extent_buffer_uptodate(eb)) {
 				ret = -EIO;
+				free_extent_buffer(eb);
 				goto out;
 			}