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[Xen-devel] [PATCH 4/5] xen pvfb: Zero unused bytes in events sent to ba

To: linux-kernel@xxxxxxxxxxxxxxx
Subject: [Xen-devel] [PATCH 4/5] xen pvfb: Zero unused bytes in events sent to backend
From: Markus Armbruster <armbru@xxxxxxxxxx>
Date: 2008年5月21日 10:40:31 +0200
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-fbdev-devel@xxxxxxxxxxxxxxxxxxxxx, adaplas@xxxxxxxxx, dmitry.torokhov@xxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, mingo@xxxxxxxxxx, Pat Campbell <plc@xxxxxxxxxx>, linux-input@xxxxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx
Delivery-date: 2008年5月21日 01:41:15 -0700
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This isn't a security flaw (the backend can see all our memory
anyway). But it's the right thing to do all the same.
Signed-off-by: Markus Armbruster <armbru@xxxxxxxxxx>
---
 drivers/video/xen-fbfront.c | 1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index 5553e51..291eef6 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -61,6 +61,7 @@ static void xenfb_do_update(struct xenfb_info *info,
 union xenfb_out_event event;
 u32 prod;
 
+ memset(&event, 0, sizeof(event));
 event.type = XENFB_TYPE_UPDATE;
 event.update.x = x;
 event.update.y = y;
-- 
1.5.3.3
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