skbuff: make skb_put_zero() return void

It's nicer to return void, since then there's no need to
cast to any structures. Currently none of the users have
a cast, but a number of future conversions do.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 1151b50..01ea64d 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1904,9 +1904,9 @@ static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len)
        return tmp;
 }
 
-static inline unsigned char *skb_put_zero(struct sk_buff *skb, unsigned int len)
+static inline void *skb_put_zero(struct sk_buff *skb, unsigned int len)
 {
-       unsigned char *tmp = skb_put(skb, len);
+       void *tmp = skb_put(skb, len);
 
        memset(tmp, 0, len);