pimd: Fix crash on RP.

When register stop was received but the upstream
creation fails we are not handling it properly.
Note and return.

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

diff --git a/pimd/pim_register.c b/pimd/pim_register.c
index bd41f1f4f07771464f9aa1ee4987def5390319e7..46601c0dcbdeca37979c28c8b4e11c6c790df280 100644 (file)
--- a/pimd/pim_register.c
+++ b/pimd/pim_register.c
@@ -323,7 +323,11 @@ pim_register_recv (struct interface *ifp,
     if (!upstream)
       {
        upstream = pim_upstream_add (&sg, ifp);
-
+        if (!upstream)
+          {
+            zlog_warn ("Failure to crate upstream state");
+            return 1;
+          }
         upstream->upstream_register = src_addr;
        pim_rp_set_upstream_addr (&upstream->upstream_addr, sg.src, sg.grp);
        pim_nexthop_lookup (&upstream->rpf.source_nexthop,