diff options
| -rw-r--r-- | include/linux/skbuff.h | 21 | ||||
| -rw-r--r-- | net/core/skbuff.c | 21 |
2 files changed, 22 insertions, 20 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 7beb239..f085955 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -892,6 +892,7 @@ static inline void skb_set_tail_pointer(struct sk_buff *skb, const int offset) /* * Add data to an sk_buff */ +extern unsigned char *skb_put(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len) { unsigned char *tmp = skb_tail_pointer(skb); @@ -901,26 +902,6 @@ static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len) return tmp; } -/** - * skb_put - add data to a buffer - * @skb: buffer to use - * @len: amount of data to add - * - * This function extends the used data area of the buffer. If this would - * exceed the total buffer size the kernel will panic. A pointer to the - * first byte of the extra data is returned. - */ -static inline unsigned char *skb_put(struct sk_buff *skb, unsigned int len) -{ - unsigned char *tmp = skb_tail_pointer(skb); - SKB_LINEAR_ASSERT(skb); - skb->tail += len; - skb->len += len; - if (unlikely(skb->tail > skb->end)) - skb_over_panic(skb, len, current_text_addr()); - return tmp; -} - static inline unsigned char *__skb_push(struct sk_buff *skb, unsigned int len) { skb->data -= len; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 0d0fd28..3402eca 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -857,6 +857,27 @@ free_skb: return err; } +/** + * skb_put - add data to a buffer + * @skb: buffer to use + * @len: amount of data to add + * + * This function extends the used data area of the buffer. If this would + * exceed the total buffer size the kernel will panic. A pointer to the + * first byte of the extra data is returned. + */ +unsigned char *skb_put(struct sk_buff *skb, unsigned int len) +{ + unsigned char *tmp = skb_tail_pointer(skb); + SKB_LINEAR_ASSERT(skb); + skb->tail += len; + skb->len += len; + if (unlikely(skb->tail > skb->end)) + skb_over_panic(skb, len, __builtin_return_address(0)); + return tmp; +} +EXPORT_SYMBOL(skb_put); + /* Trims skb to length len. It can change skb pointers. */ |
