Merge remote-tracking branch 'drm/drm-next' into drm-misc-next

[linux.git] / kernel / resource.c

diff --git a/kernel/resource.c b/kernel/resource.c
index e270b5048988e74fb2719260becce37c06f1a731..2af6c03858b94eb1e13336fb6fc90a7390bd7efe 100644 (file)
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -651,7 +651,8 @@ static int __find_resource(struct resource *root, struct resource *old,
                        alloc.start = constraint->alignf(constraint->alignf_data, &avail,
                                        size, constraint->align);
                        alloc.end = alloc.start + size - 1;
-                       if (resource_contains(&avail, &alloc)) {
+                       if (alloc.start <= alloc.end &&
+                           resource_contains(&avail, &alloc)) {
                                new->start = alloc.start;
                                new->end = alloc.end;
                                return 0;