diff --git a/[refs] b/[refs]
index 366c8ba232ed..ca4b877c2fe8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 145452649d035e4e5152f6c4e6798c41960cad3e
+refs/heads/master: 88cb773c5f8e45e48f3a89480610448974337cb0
diff --git a/trunk/arch/m68k/mm/kmap.c b/trunk/arch/m68k/mm/kmap.c
index df620ac2a296..cf93cdd515c5 100644
--- a/trunk/arch/m68k/mm/kmap.c
+++ b/trunk/arch/m68k/mm/kmap.c
@@ -116,7 +116,7 @@ void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cachefla
 	/*
 	 * Don't allow mappings that wrap..
 	 */
-	if (!size || size > physaddr + size)
+	if (!size || physaddr > (unsigned long)(-size))
 		return NULL;
 
 #ifdef CONFIG_AMIGA