diff options
author | Eric Dumazet <edumazet@google.com> | 2012-04-30 16:31:46 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-05-01 09:39:48 -0400 |
commit | 18d0700024d68a075c507b845d85eda2abb5aee7 (patch) | |
tree | bc733355c1aa30aa3e24cadf26747413ca74a207 /include/linux/skbuff.h | |
parent | e4cbb02a1070ebf0185f67a8887cc05f8a183d71 (diff) |
net: skb_peek()/skb_peek_tail() cleanups
remove useless casts and rename variables for less confusion.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r-- | include/linux/skbuff.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2c75e98953b2..988fc49667b1 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; + } /** |