iproute2: a non-expected rtnl message is an error

diff --git a/ip/iproute.c b/ip/iproute.c
index dae793b7538fd984de251231e9e367eb641217c8..10d0afe7bf98d882b98b3995c8bdec0393169b86 100644 (file)
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -320,7 +320,7 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
        if (n->nlmsg_type != RTM_NEWROUTE && n->nlmsg_type != RTM_DELROUTE) {
                fprintf(stderr, "Not a route: %08x %08x %08x\n",
                        n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
-               return 0;
+               return -1;
        }
        if (filter.flushb && n->nlmsg_type != RTM_NEWROUTE)
                return 0;