diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2c75e98953b28128bd796b433feb5d17d77605a3..988fc49667b13ef16f8d059811bc90af78b1d149 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -883,10 +883,11 @@ static inline struct sk_buff *skb_unshare(struct sk_buff *skb, */ static inline struct sk_buff *skb_peek(const struct sk_buff_head *list_) { - struct sk_buff *list = ((const struct sk_buff *)list_)->next; - if (list == (struct sk_buff *)list_) - list = NULL; - return list; + struct sk_buff *skb = list_->next; + + if (skb == (struct sk_buff *)list_) + skb = NULL; + return skb; } /** @@ -902,6 +903,7 @@ static inline struct sk_buff *skb_peek_next(struct sk_buff *skb, const struct sk_buff_head *list_) { struct sk_buff *next = skb->next; + if (next == (struct sk_buff *)list_) next = NULL; return next; @@ -922,10 +924,12 @@ static inline struct sk_buff *skb_peek_next(struct sk_buff *skb, */ static inline struct sk_buff *skb_peek_tail(const struct sk_buff_head *list_) { - struct sk_buff *list = ((const struct sk_buff *)list_)->prev; - if (list == (struct sk_buff *)list_) - list = NULL; - return list; + struct sk_buff *skb = list_->prev; + + if (skb == (struct sk_buff *)list_) + skb = NULL; + return skb; + } /**