Avoid void pointer arithmetic.

diff --git a/src/route.c b/src/route.c
index 2fa6175..d1048e7 100644 (file)
--- 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) {