bgpd: bgp_distance_unset ensure dest exists

Coverity doesn't understand our locking scheme
make sure it does a bit better.

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

diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c
index 7d0cc377bd513d49068610f924062ece4eef8cff..4d4a2a5c353b0c25fc1a1a5a5c710e54a674bf95 100644 (file)
--- a/bgpd/bgp_route.c
+++ b/bgpd/bgp_route.c
@@ -15049,7 +15049,8 @@ static int bgp_distance_unset(struct vty *vty, const char *distance_str,
        bgp_distance_free(bdistance);
 
        bgp_dest_set_bgp_path_info(dest, NULL);
-       bgp_dest_unlock_node(dest);
+       dest = bgp_dest_unlock_node(dest);
+       assert(dest);
        bgp_dest_unlock_node(dest);
 
        return CMD_SUCCESS;