IPv4LL: A state might not always exist when running the script.

For example, we deleted existing IPv4LL addresses that dhcpcd
doesn't directly control when we obtained a DHCP lease.

diff --git a/src/script.c b/src/script.c
index 6189a4c1c63fb80fa71d155a41391021e19476c3..68aadff749b58d6aadda1baf1f99f1509e954cf0 100644 (file)
--- a/src/script.c
+++ b/src/script.c
@@ -465,7 +465,7 @@ make_env(struct dhcpcd_ctx *ctx, const struct interface *ifp,
 dumplease:
 #ifdef INET
 #ifdef IPV4LL
-       if (protocol == PROTO_IPV4LL) {
+       if (protocol == PROTO_IPV4LL && istate) {
                if (ipv4ll_env(fp, istate->down ? "old" : "new", ifp) == -1)
                        goto eexit;
        }