From 07ae0a642318031900a9561862573d3b05416b7b Mon Sep 17 00:00:00 2001 From: Greg Hackmann Date: Wed, 20 Nov 2013 12:10:35 -0800 Subject: [PATCH] video: adf: validate dpms state passed to blank Change-Id: I3a4228d50fc4a2553b3e92e5675a94cbc6e71b8a Signed-off-by: Greg Hackmann --- drivers/video/adf/adf_client.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/video/adf/adf_client.c b/drivers/video/adf/adf_client.c index e4a792135072..bba873d34bbb 100644 --- a/drivers/video/adf/adf_client.c +++ b/drivers/video/adf/adf_client.c @@ -49,6 +49,9 @@ int adf_interface_blank(struct adf_interface *intf, u8 state) if (!intf->ops || !intf->ops->blank) return -EOPNOTSUPP; + if (state > DRM_MODE_DPMS_OFF) + return -EINVAL; + mutex_lock(&dev->client_lock); if (state != DRM_MODE_DPMS_ON) flush_kthread_worker(&dev->post_worker); -- 2.34.1