On Mar 28, 2009, at 3:55 PM, Mans Rullgard wrote:
This fixes unaligned accesses in nsm_init_private() when
creating nlm_reboot keys.
Reviewed-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Did a little testing on x86 as well.
Signed-off-by: Mans Rullgard <mans@xxxxxxxxx>
---
fs/lockd/mon.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 5e2c4d5..6d5d4a4 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -16,6 +16,8 @@
#include <linux/sunrpc/svc.h>
#include <linux/lockd/lockd.h>
+#include <asm/unaligned.h>
+
#define NLMDBG_FACILITY NLMDBG_MONITOR
#define NSM_PROGRAM 100024
#define NSM_VERSION 1
@@ -274,10 +276,12 @@ static void nsm_init_private(struct nsm_handle
*nsm)
{
u64 *p = (u64 *)&nsm->sm_priv.data;
struct timespec ts;
+ s64 ns;
ktime_get_ts(&ts);
- *p++ = timespec_to_ns(&ts);
- *p = (unsigned long)nsm;
+ ns = timespec_to_ns(&ts);
+ put_unaligned(ns, p);
+ put_unaligned((unsigned long)nsm, p + 1);
}
static struct nsm_handle *nsm_create_handle(const struct sockaddr
*sap,
--
1.6.2
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--
Chuck Lever
chuck[dot]lever[at]oracle[dot]com
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