Remove getinfo_super_n and do some other cleaning up.

Getting close to a sensible description of what some of the
superswitch methods are supposed to do!

1 files changed, 2 insertions, 0 deletions

diff --git a/util.c b/util.c
index 3a5daa26..4cecd6d0 100644
--- a/util.c
+++ b/util.c
@@ -858,6 +858,8 @@ struct supertype *dup_super(struct supertype *orig)
 {
 	struct supertype *st;
 
+	if (!orig)
+		return orig;
 	st = malloc(sizeof(*st));
 	if (!st)
 		return st;