From 18d0700024d68a075c507b845d85eda2abb5aee7 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 30 Apr 2012 16:31:46 +0000 Subject: [PATCH] net: skb_peek()/skb_peek_tail() cleanups remove useless casts and rename variables for less confusion. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/linux/skbuff.h | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2c75e98953b..988fc49667b 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; + } /** -- 2.46.0