Use gcc void* arithmetic to avoid cast warning

2012-12-18 20:06:40 +01:00
parent 690b6ba18a
commit 0782e2f825
1 changed files with 1 additions and 1 deletions
@@ -47,7 +47,7 @@
 //struct foo *f = CONTAINER_OF(p, struct foo, zap);
 #define CONTAINER_OF(ptr, type, member) ({                  \
 typeof( ((type *)0)->member ) *__mptr = (ptr);    \
-    (type *)( (char *)__mptr - offsetof(type, member) ); })
+    (type *)( (void *)__mptr - offsetof(type, member) ); })

 #define UC_ALIGN(val,align) (((val)+(align)-1UL)&~((align)-1UL))