yaffs direct: Fix some more error handling and directory name handling

[yaffs2.git] / yaffs_guts.c

diff --git a/yaffs_guts.c b/yaffs_guts.c
index 2348a940d49855c1880254dc0297e80a7619c92b..1bc6d51be66714e253e572ffac34ffc7bf3aebd1 100644 (file)
--- a/yaffs_guts.c
+++ b/yaffs_guts.c
@@ -1620,6 +1620,10 @@ static int yaffs_change_obj_name(struct yaffs_obj *obj,
        return YAFFS_FAIL;
 }
 
+
+/* Note:
+ * If old_name is NULL then we take old_dir as the object to be renamed.
+ */
 int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR * old_name,
                     struct yaffs_obj *new_dir, const YCHAR * new_name)
 {
@@ -1641,7 +1645,9 @@ int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR * old_name,
         * While look-up is case insensitive, the name isn't.
         * Therefore we might want to change x.txt to X.txt
         */
-       if (old_dir == new_dir && yaffs_strcmp(old_name, new_name) == 0)
+       if (old_dir == new_dir && 
+               old_name && new_name && 
+               yaffs_strcmp(old_name, new_name) == 0)
                force = 1;
 #endif
 
@@ -1650,7 +1656,13 @@ int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR * old_name,
                /* ENAMETOOLONG */
                return YAFFS_FAIL;
 
-       obj = yaffs_find_by_name(old_dir, old_name);
+       if(old_name)
+               obj = yaffs_find_by_name(old_dir, old_name);
+       else{
+               obj = old_dir;
+               old_dir = obj->parent;
+       }
+
 
        if (obj && obj->rename_allowed) {