Merge branch 'upstream-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...
[pandora-kernel.git] / kernel / resource.c
index 7b36976..9c9841c 100644 (file)
@@ -453,6 +453,8 @@ static struct resource * __insert_resource(struct resource *parent, struct resou
 
                if (first == parent)
                        return first;
+               if (WARN_ON(first == new))      /* duplicated insertion */
+                       return first;
 
                if ((first->start > new->start) || (first->end < new->end))
                        break;