diff --git a/[refs] b/[refs]
index 8a38fbc86416..41953e3839f7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8437e7610c2d3e06f87f71fb82e10ed4b291812a
+refs/heads/master: 28194fcdc150e4d5b418d01db3c29058f60ef32c
diff --git a/trunk/net/core/utils.c b/trunk/net/core/utils.c
index f5613d569c23..30f3879faecc 100644
--- a/trunk/net/core/utils.c
+++ b/trunk/net/core/utils.c
@@ -161,6 +161,18 @@ int in4_pton(const char *src, int srclen,
 }
 EXPORT_SYMBOL(in4_pton);
 
+/**
+ * in6_pton - convert an IPv6 address from literal to binary representation
+ * @src: the start of the IPv6 address string
+ * @srclen: the length of the string, -1 means strlen(src)
+ * @dst: the binary (u8[16] array) representation of the IPv6 address
+ * @delim: the delimiter of the IPv6 address in @src, -1 means no delimiter
+ * @end: A pointer to the end of the parsed string will be placed here
+ *
+ * Return one on success, return zero when any error occurs
+ * and @end will point to the end of the parsed string.
+ *
+ */
 int in6_pton(const char *src, int srclen,
 	     u8 *dst,
 	     int delim, const char **end)