# HG changeset patch
# User Roy Marples <roy@marples.name>
# Date 1602510994 -3600
# Node ID 86d8640d181a64382ed7c2019a3b9f18a9938a31
# Parent  22b88499388a520600355164d330ecec83e8a7bf
duid: plug a potential memory leak

diff -r 22b88499388a -r 86d8640d181a src/duid.c
--- a/src/duid.c	Mon Oct 12 14:41:06 2020 +0100
+++ b/src/duid.c	Mon Oct 12 14:56:34 2020 +0100
@@ -178,8 +178,9 @@
 	if (ifp == NULL) {
 		if (ctx->duid_type != DUID_DEFAULT &&
 		    ctx->duid_type != DUID_UUID)
-			return 0;
-		len = duid_make_uuid(data);
+			len = 0;
+		else
+			len = duid_make_uuid(data);
 		if (len == 0)
 			free(data);
 		else