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-rw-r--r--include/linux/skbuff.h16
-rw-r--r--net/core/skbuff.c16
2 files changed, 17 insertions, 15 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 1baf4d43bb2d..ff72145d5d9e 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1158,21 +1158,7 @@ static inline void __skb_trim(struct sk_buff *skb, unsigned int len)
1158 skb_set_tail_pointer(skb, len); 1158 skb_set_tail_pointer(skb, len);
1159} 1159}
1160 1160
1161/** 1161extern void skb_trim(struct sk_buff *skb, unsigned int len);
1162 * skb_trim - remove end from a buffer
1163 * @skb: buffer to alter
1164 * @len: new length
1165 *
1166 * Cut the length of a buffer down by removing data from the tail. If
1167 * the buffer is already under the length specified it is not modified.
1168 * The skb must be linear.
1169 */
1170static inline void skb_trim(struct sk_buff *skb, unsigned int len)
1171{
1172 if (skb->len > len)
1173 __skb_trim(skb, len);
1174}
1175
1176 1162
1177static inline int __pskb_trim(struct sk_buff *skb, unsigned int len) 1163static inline int __pskb_trim(struct sk_buff *skb, unsigned int len)
1178{ 1164{
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index a37127b5899c..86e5682728be 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -931,6 +931,22 @@ unsigned char *skb_pull(struct sk_buff *skb, unsigned int len)
931} 931}
932EXPORT_SYMBOL(skb_pull); 932EXPORT_SYMBOL(skb_pull);
933 933
934/**
935 * skb_trim - remove end from a buffer
936 * @skb: buffer to alter
937 * @len: new length
938 *
939 * Cut the length of a buffer down by removing data from the tail. If
940 * the buffer is already under the length specified it is not modified.
941 * The skb must be linear.
942 */
943void skb_trim(struct sk_buff *skb, unsigned int len)
944{
945 if (skb->len > len)
946 __skb_trim(skb, len);
947}
948EXPORT_SYMBOL(skb_trim);
949
934/* Trims skb to length len. It can change skb pointers. 950/* Trims skb to length len. It can change skb pointers.
935 */ 951 */
936 952