vcl: zero out cmsg for recvmsg API

[vpp.git] / src / vcl / ldp.c

diff --git a/src/vcl/ldp.c b/src/vcl/ldp.c
index ffe1673..2256a2b 100644 (file)
--- a/src/vcl/ldp.c
+++ b/src/vcl/ldp.c
@@ -1748,6 +1748,7 @@ ldp_make_cmsg (vls_handle_t vlsh, struct msghdr *msg)
   struct cmsghdr *cmsg;
 
   cmsg = CMSG_FIRSTHDR (msg);
+  memset (cmsg, 0, sizeof (*cmsg));
 
   if (!vls_attr (vlsh, VPPCOM_ATTR_GET_IP_PKTINFO, (void *) &optval, &optlen))
     return 0;