From 9bec6fb916f65cec99e981a6733984a8a17f30d3 Mon Sep 17 00:00:00 2001
From: Michael Evertz <Michael.Evertz@devolo.de>
Date: Mon, 12 Sep 2016 14:37:53 +0200
Subject: Fix misaligned memory access

This changes fixes misaligned memory access. Without the patch I get
several "Misaligend access trap for user program 'llmnrd'" messages on
my platform if the system has odd hostname length.
---
 pkt.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'pkt.h')

diff --git a/pkt.h b/pkt.h
index e829b8c..bb2b717 100644
--- a/pkt.h
+++ b/pkt.h
@@ -100,8 +100,8 @@ static inline uint8_t *pkt_put(struct pkt *p, size_t len)
 #define DEFINE_PKT_PUT(__bitwidth)							\
 static inline void pkt_put_u##__bitwidth(struct pkt *p, uint##__bitwidth##_t val)	\
 {											\
-	uint##__bitwidth##_t *data = (uint##__bitwidth##_t *)pkt_put(p, sizeof(val));	\
-	*data = val;									\
+	uint8_t *data = pkt_put(p, sizeof(val));					\
+	memcpy(data, &val, sizeof(uint##__bitwidth##_t));				\
 }
 
 DEFINE_PKT_PUT(8)
-- 
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