Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...

[net-next-2.6.git] / kernel / resource.c

diff --git a/kernel/resource.c b/kernel/resource.c
index 716b6804077ef0988da621899dda9cb70a1ec76b..9fad33efd0db50b3269572f598a1ce418731153c 100644 (file)
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -572,6 +572,8 @@ 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;