From: Guus Sliepen <guus@tinc-vpn.org>
Date: Wed, 17 Jul 2019 22:31:11 +0000 (+0200)
Subject: Avoid void pointer arithmetic.
X-Git-Tag: release-1.1pre18~26
X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=commitdiff_plain;h=50f23fbc02bd52bdc5cfd4fc9c0c6f177083efda

Avoid void pointer arithmetic.
---

diff --git a/src/route.c b/src/route.c
index 2fa61751..d1048e76 100644
--- a/src/route.c
+++ b/src/route.c
@@ -63,7 +63,8 @@ static timeout_t age_subnets_timeout;
 
 /* RFC 1071 */
 
-static uint16_t inet_checksum(void *data, int len, uint16_t prevsum) {
+static uint16_t inet_checksum(void *vdata, int len, uint16_t prevsum) {
+	uint8_t *data = vdata;
 	uint16_t word;
 	uint32_t checksum = prevsum ^ 0xFFFF;
 
@@ -75,7 +76,7 @@ static uint16_t inet_checksum(void *data, int len, uint16_t prevsum) {
 	}
 
 	if(len) {
-		checksum += *(uint8_t *)data;
+		checksum += *data;
 	}
 
 	while(checksum >> 16) {