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[media] media-device: fix infoleak in ioctl media_enum_entities()
This fixes CVE-2014-1739. Signed-off-by: Salva Peiró <speiro@ai2.upv.es> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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@ -93,6 +93,7 @@ static long media_device_enum_entities(struct media_device *mdev,
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struct media_entity *ent;
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struct media_entity_desc u_ent;
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memset(&u_ent, 0, sizeof(u_ent));
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if (copy_from_user(&u_ent.id, &uent->id, sizeof(u_ent.id)))
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return -EFAULT;
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