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-rw-r--r--include/linux/skbuff.h1
-rw-r--r--include/net/esp.h2
-rw-r--r--net/core/skbuff.c23
-rw-r--r--net/xfrm/xfrm_algo.c13
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");