X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fcore%2Fskbuff.c;h=86e5682728be339c3930eca391739ba373d908fc;hb=419ae74ecc9494e58928a5c6652f4c072f3ca744;hp=a37127b5899cb58a6a9545a303c908781d17b7db;hpb=8d3308687f7f1eaa1bb5d202d14752d5f90068eb;p=linux-2.6-omap-h63xx.git

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index a37127b5899..86e5682728b 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)
 }
 EXPORT_SYMBOL(skb_pull);
 
+/**
+ *	skb_trim - remove end from a buffer
+ *	@skb: buffer to alter
+ *	@len: new length
+ *
+ *	Cut the length of a buffer down by removing data from the tail. If
+ *	the buffer is already under the length specified it is not modified.
+ *	The skb must be linear.
+ */
+void skb_trim(struct sk_buff *skb, unsigned int len)
+{
+	if (skb->len > len)
+		__skb_trim(skb, len);
+}
+EXPORT_SYMBOL(skb_trim);
+
 /* Trims skb to length len. It can change skb pointers.
  */