Check return of expand() always.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/radv.c b/src/radv.c
index 749b666..faa0f6d 100644
--- a/src/radv.c
+++ b/src/radv.c
@@ -262,7 +262,9 @@ static void send_ra_alias(time_t now, int iface, char *iface_name, struct in6_ad
   parm.prio = calc_prio(ra_param);
   
   save_counter(0);
-  ra = expand(sizeof(struct ra_packet));
+  
+  if (!(ra = expand(sizeof(struct ra_packet))))
+    return;
   
   ra->type = ND_ROUTER_ADVERT;
   ra->code = 0;