duid: plug a potential memory leak

diff --git a/src/duid.c b/src/duid.c
index ce9214fa79b5ec919a0dc36b34fd67505ec85f86..764c74a92e78eed639a73d1295fa92c591a08c72 100644 (file)
--- a/src/duid.c
+++ b/src/duid.c
@@ -178,8 +178,9 @@ duid_get(struct dhcpcd_ctx *ctx, const struct interface *ifp)
        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