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-rw-r--r--include/linux/skbuff.h20
1 files 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;
+
}
/**