diff --git a/fs/inode.c b/fs/inode.c
index bf6bec4..d9a21d1 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -162,7 +162,7 @@
 				bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
 			mapping->backing_dev_info = bdi;
 		}
-		inode->i_private = 0;
+		inode->i_private = NULL;
 		inode->i_mapping = mapping;
 	}
 	return inode;