[CVE-2014-1739 1/5] [media] media-device: fix infoleak in ioctl media_enum_entities()

[Luis Henriques]

From: Salva Peiró <speiro at ai2.upv.es>

This fixes CVE-2014-1739.

Signed-off-by: Salva Peiró <speiro at ai2.upv.es>
Acked-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Cc: stable at vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab at samsung.com>
(cherry picked from commit e6a623460e5fc960ac3ee9f946d3106233fd28d8)
CVE-2014-1739
BugLink: http://bugs.launchpad.net/bugs/1333609
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/media/media-device.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 6f9eb94e85b3..25968dcfa422 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -90,6 +90,7 @@ static long media_device_enum_entities(struct media_device *mdev,
 	struct media_entity *ent;
 	struct media_entity_desc u_ent;
 
+	memset(&u_ent, 0, sizeof(u_ent));
 	if (copy_from_user(&u_ent.id, &uent->id, sizeof(u_ent.id)))
 		return -EFAULT;
 
-- 
1.9.1