X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=netlink.c;h=ea1221deaf9e67a10019f474001d99774c961872;hb=a96fda35655e11388dda789f83d4c04c751eb946;hp=50a920f3b33bcadf28b7f3666203b2e81318fc68;hpb=826b47e921488742fd77f31352fa04df3a5d0e11;p=secnet.git

diff --git a/netlink.c b/netlink.c
index 50a920f..ea1221d 100644
--- a/netlink.c
+++ b/netlink.c
@@ -180,7 +180,7 @@ static inline uint16_t ip_fast_csum(const uint8_t *iph, int32_t ihl) {
     return sum;
 }
 #else
-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)
 {
     assert(ihl < INT_MAX/4);
     return ip_csum(iph,ihl*4);