Ensure we have a state when comparing

1 files changed, 6 insertions, 0 deletions

diff --git a/if-pref.c b/if-pref.c
index 7a47833d..56f01132 100644
--- a/if-pref.c
+++ b/if-pref.c
@@ -36,6 +36,12 @@ ifcmp(struct interface *si, struct interface *ti)
 {
 	int sill, till;
 
+	if (si->state && !ti->state)
+		return -1;
+	if (!si->state && ti->state)
+		return 1;
+	if (!si->state && !ti->state)
+		return 0;
 	/* If one has a lease and the other not, it takes precedence. */
 	if (si->state->new && !ti->state->new)
 		return -1;