X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Froute.c;h=d1048e76dc7c4890ad23c08a4e68048c6d7106a6;hb=7b55200887d05c29abb8cea31aa914e03b806e9a;hp=2e8d94ace2123a1c9cd5485ecfad1cd55f43387b;hpb=f8190b7233871b5b47c3fc8846731d1bbdef78a5;p=tinc

diff --git a/src/route.c b/src/route.c
index 2e8d94ac..d1048e76 100644
--- a/src/route.c
+++ b/src/route.c
@@ -63,17 +63,20 @@ static timeout_t age_subnets_timeout;
 
 /* RFC 1071 */
 
-static uint16_t inet_checksum(void *data, int len, uint16_t prevsum) {
-	uint16_t *p = data;
+static uint16_t inet_checksum(void *vdata, int len, uint16_t prevsum) {
+	uint8_t *data = vdata;
+	uint16_t word;
 	uint32_t checksum = prevsum ^ 0xFFFF;
 
 	while(len >= 2) {
-		checksum += *p++;
+		memcpy(&word, data, sizeof(word));
+		checksum += word;
+		data += 2;
 		len -= 2;
 	}
 
 	if(len) {
-		checksum += *(uint8_t *)p;
+		checksum += *data;
 	}
 
 	while(checksum >> 16) {