netdev - [PATCH 3/3] netlink: fix unaligned access in nla_get

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Message-ID: <20100316233044.4185.69099.stgit@decadence>
Date:	Wed, 17 Mar 2010 00:30:44 +0100
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	netdev@...r.kernel.org
Cc:	kaber@...sh.net, davem@...emloft.net
Subject: [PATCH 3/3] netlink: fix unaligned access in nla_get_be64()

This patch fixes a unaligned access in nla_get_be64() that was
introduced by myself in a17c859849402315613a0015ac8fbf101acf0cc1.

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 include/net/netlink.h |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/include/net/netlink.h b/include/net/netlink.h
index a63b219..668ad04 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -945,7 +945,11 @@ static inline u64 nla_get_u64(const struct nlattr *nla)
  */
 static inline __be64 nla_get_be64(const struct nlattr *nla)
 {
-	return *(__be64 *) nla_data(nla);
+	__be64 tmp;
+
+	nla_memcpy(&tmp, nla, sizeof(tmp));
+
+	return tmp;
 }
 
 /**

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