btrfs: replace many BUG_ONs with proper error handling

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / btrfs / export.c

diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 5f77166..e887ee6 100644 (file)
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -193,7 +193,7 @@ static struct dentry *btrfs_get_parent(struct dentry *child)
        if (ret < 0)
                goto fail;
 
-       BUG_ON(ret == 0);
+       BUG_ON(ret == 0); /* Key with offset of -1 found */
        if (path->slots[0] == 0) {
                ret = -ENOENT;
                goto fail;