Fix uninitialized value used in get_client_mac()

0705a7e2 · Tomas Hozza · Simon Kelley · 28b879ac · 0705a7e2
Commit 0705a7e2 authored Feb 23, 2015 by Tomas Hozza Committed by Simon Kelley Feb 23, 2015
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src/dhcp6.c src/dhcp6.c +3 -1

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--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -246,7 +246,9 @@ void get_client_mac(struct in6_addr *client, int iface, unsigned char *mac, unsi
  neigh.code = 0;
  neigh.reserved = 0;
  neigh.target = *client;
-  
+  /* RFC4443 section-2.3: checksum has to be zero to be calculated */
+  neigh.checksum = 0;
+   
  memset(&addr, 0, sizeof(addr));
 #ifdef HAVE_SOCKADDR_SA_LEN
  addr.sin6_len = sizeof(struct sockaddr_in6);