From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 20 Mar 2014 01:33:59 +0000 (+0000)
Subject: netlink: Make ip_csum and ip_fast_csum const-correct
X-Git-Tag: debian/0.3.1_beta1~12
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=secnet.git;a=commitdiff_plain;h=211cd6277e10a6402a4f7abb41dc8b0829b04ada;hp=686b7f1da023663c0df9bdcf351b4313b5726888

netlink: Make ip_csum and ip_fast_csum const-correct

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/netlink.c b/netlink.c
index d420f7b..0dd4450 100644
--- a/netlink.c
+++ b/netlink.c
@@ -120,7 +120,7 @@ their use.
 #define ICMP_CODE_TTL_EXCEEDED           0
 
 /* Generic IP checksum routine */
-static inline uint16_t ip_csum(uint8_t *iph,int32_t count)
+static inline uint16_t ip_csum(const uint8_t *iph,int32_t count)
 {
     register uint32_t sum=0;
 
@@ -144,7 +144,7 @@ static inline uint16_t ip_csum(uint8_t *iph,int32_t count)
  *      By Jorge Cwik <jorge@laser.satlink.net>, adapted for linux by
  *      Arnt Gulbrandsen.
  */
-static inline uint16_t ip_fast_csum(uint8_t *iph, int32_t ihl) {
+static inline uint16_t ip_fast_csum(const uint8_t *iph, int32_t ihl) {
     uint32_t sum;
 
     __asm__ __volatile__(