From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Tue, 16 Mar 2010 13:30:44 +0000 (+0000)
Subject: netlink: fix unaligned access in nla_get_be64()
X-Git-Tag: v2.6.34-rc3~84^2~9
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=f5d410f2ea7ba340f11815a56e05b9fa9421c421;p=~shefty%2Frdma-dev.git

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@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/net/netlink.h b/include/net/netlink.h
index f82e463c875..4fc05b58503 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;
 }
 
 /**