pimd: Ensure 'struct nexthop' has been zeroed

When calling nexthop_lookup, the code assumes
that the nexthop passed in has been 0'ed out.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/pimd/pim_mroute.c b/pimd/pim_mroute.c
index 8ece65d31720cc7bf6496b69bba349bdb6e0bc36..976fe74f08c9b1c724401526ad35c685a4773287 100644 (file)
--- a/pimd/pim_mroute.c
+++ b/pimd/pim_mroute.c
@@ -345,6 +345,7 @@ pim_mroute_msg_wrvifwhole (int fd, struct interface *ifp, const char *buf)
          struct pim_rpf *rpf = RP (sg.grp);
          pim_ifp = rpf->source_nexthop.interface->info;
 
+         memset (&source, 0, sizeof (source));
          //No if channel, but upstream we are at the RP.
          if (pim_nexthop_lookup (&source, up->upstream_register, 0) == 0)
            pim_register_stop_send(source.interface, &sg, pim_ifp->primary_address, up->upstream_register);