diff options
| -rw-r--r-- | include/linux/skbuff.h | 1 | ||||
| -rw-r--r-- | include/net/esp.h | 2 | ||||
| -rw-r--r-- | net/core/skbuff.c | 23 | ||||
| -rw-r--r-- | net/xfrm/xfrm_algo.c | 13 |
4 files changed, 24 insertions, 15 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2e153b69d318..491dd6c2c6cc 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1417,6 +1417,7 @@ static inline void skb_set_tail_pointer(struct sk_buff *skb, const int offset) /* * Add data to an sk_buff */ +unsigned char *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len); unsigned char *skb_put(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len) { diff --git a/include/net/esp.h b/include/net/esp.h index c92213c38312..a43be85aedc4 100644 --- a/include/net/esp.h +++ b/include/net/esp.h @@ -3,8 +3,6 @@ #include <linux/skbuff.h> -void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len); - struct ip_esp_hdr; static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 3735fad5616e..2fbea08c4f50 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1264,6 +1264,29 @@ free_skb: EXPORT_SYMBOL(skb_pad); /** + * pskb_put - add data to the tail of a potentially fragmented buffer + * @skb: start of the buffer to use + * @tail: tail fragment of the buffer to use + * @len: amount of data to add + * + * This function extends the used data area of the potentially + * fragmented buffer. @tail must be the last fragment of @skb -- or + * @skb itself. 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 *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len) +{ + if (tail != skb) { + skb->data_len += len; + skb->len += len; + } + return skb_put(tail, len); +} +EXPORT_SYMBOL_GPL(pskb_put); + +/** * skb_put - add data to a buffer * @skb: buffer to use * @len: amount of data to add diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c index ab4ef72f0b1d..debe733386f8 100644 --- a/net/xfrm/xfrm_algo.c +++ b/net/xfrm/xfrm_algo.c @@ -802,17 +802,4 @@ int xfrm_count_pfkey_enc_supported(void) } EXPORT_SYMBOL_GPL(xfrm_count_pfkey_enc_supported); -#if defined(CONFIG_INET_ESP) || defined(CONFIG_INET_ESP_MODULE) || defined(CONFIG_INET6_ESP) || defined(CONFIG_INET6_ESP_MODULE) - -void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len) -{ - if (tail != skb) { - skb->data_len += len; - skb->len += len; - } - return skb_put(tail, len); -} -EXPORT_SYMBOL_GPL(pskb_put); -#endif - MODULE_LICENSE("GPL"); |