From: Katerina Kubecova <katerina.kubecova@nic.cz>
Date: Tue, 25 Mar 2025 10:51:54 +0000 (+0100)
Subject: lib/route.h: Explicit padding added to struct nexthop_adata.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fheads%2Fv3-nexthop_adata-fixup;p=thirdparty%2Fbird.git

lib/route.h: Explicit padding added to struct nexthop_adata.

Implicit padding caused unspecified behaviour and led to generating more mpls labels when compiled with clang.
---

diff --git a/lib/route.h b/lib/route.h
index 6ad4a7c7d..000c24c44 100644
--- a/lib/route.h
+++ b/lib/route.h
@@ -157,6 +157,7 @@ struct nexthop {
 /* For packing one into eattrs */
 struct nexthop_adata {
   struct adata ad;
+  PADDING(unused, 0, 4);
   /* There is either a set of nexthops or a special destination (RTD_*) */
   union {
     struct nexthop nh;