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netlink: fix unaligned access in nla_get_be64()
author
Pablo Neira Ayuso
<pablo@netfilter.org>
Tue, 16 Mar 2010 13:30:44 +0000
(13:30 +0000)
committer
David S. Miller
<davem@davemloft.net>
Sat, 20 Mar 2010 05:47:23 +0000
(22:47 -0700)
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>
include/net/netlink.h
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diff --git
a/include/net/netlink.h
b/include/net/netlink.h
index
f82e463
..
4fc05b5
100644
(file)
--- 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;
}
/**