diff --git a/[refs] b/[refs]
index f1a600c42f06..7fec76486233 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4c37799ccf6c722e0dad6a0677af22d1c23fb897
+refs/heads/master: 3c3f486603438130b93b33acd92db0f994ec3e55
diff --git a/trunk/include/net/dsfield.h b/trunk/include/net/dsfield.h
index eb65bf2e2502..8a8d4e06900d 100644
--- a/trunk/include/net/dsfield.h
+++ b/trunk/include/net/dsfield.h
@@ -12,15 +12,15 @@
 #include <asm/byteorder.h>
 
 
-static inline __u8 ipv4_get_dsfield(struct iphdr *iph)
+static inline __u8 ipv4_get_dsfield(const struct iphdr *iph)
 {
 	return iph->tos;
 }
 
 
-static inline __u8 ipv6_get_dsfield(struct ipv6hdr *ipv6h)
+static inline __u8 ipv6_get_dsfield(const struct ipv6hdr *ipv6h)
 {
-	return ntohs(*(__be16 *) ipv6h) >> 4;
+	return ntohs(*(const __be16 *)ipv6h) >> 4;
 }