[NET 10/49]: Constify include/net/dsfield.h

[Patrick McHardy <kaber@trash.net>]

[NET]: Constify include/net/dsfield.h

Constify include/net/dsfield.h

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>

---
commit 93a030a957dbe5c4ff8648e6dec5f7ac09bd3a5d
tree 87dc4a20d080269a0e9b6bc34b5443ce4c9ed0ca
parent 08d5ebfa5d171ca207ccdd5086cc86eadf99ebea
author Jan Engelhardt <jengelh@computergmbh.de> Tue, 04 Dec 2007 10:47:02 +0100
committer Patrick McHardy <kaber@trash.net> Tue, 04 Dec 2007 11:23:15 +0100

 include/net/dsfield.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/net/dsfield.h b/include/net/dsfield.h
index eb65bf2..8a8d4e0 100644
--- a/include/net/dsfield.h
+++ b/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;
 }