Btrfs: add missing error handling to read_tree_block
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 1356435..2a378ab 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1149,6 +1149,10 @@
return NULL;
ret = btree_read_extent_buffer_pages(root, buf, 0, parent_transid);
+ if (ret) {
+ free_extent_buffer(buf);
+ return NULL;
+ }
return buf;
}