From 2e6eca1918935d1981349bb4d2efebb02a627a85 Mon Sep 17 00:00:00 2001
From: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
Date: Thu, 4 Nov 2021 10:09:54 +0100
Subject: [PATCH] sys/net/dns: mark dns_hdr_t as packed

This structure is used to parse data from unaligned buffers, so make
sure the compiler issues instructions suitable for unaligned memory
access.
---
 sys/include/net/dns/msg.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/include/net/dns/msg.h b/sys/include/net/dns/msg.h
index 8faa54f4a1..98c700c747 100644
--- a/sys/include/net/dns/msg.h
+++ b/sys/include/net/dns/msg.h
@@ -45,7 +45,7 @@ extern "C" {
  *
  * @see [RFC 1035, section 4.1.1](https://tools.ietf.org/html/rfc1035#section-4.1.1)
  */
-typedef struct {
+typedef struct __attribute__((packed)) {
     uint16_t id;        /**< identifier */
     /**
      * @brief   flags