diff options
| author | Greg Hackmann <ghackmann@google.com> | 2013-11-20 12:10:35 -0800 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2016-02-16 13:53:16 -0800 |
| commit | 07ae0a642318031900a9561862573d3b05416b7b (patch) | |
| tree | 938f235a7b372758fde58ba2c2c8c42fedd08ec3 | |
| parent | f9c220a4861f91b7051f6d29db58c9aca8b06cbb (diff) | |
video: adf: validate dpms state passed to blank
Change-Id: I3a4228d50fc4a2553b3e92e5675a94cbc6e71b8a
Signed-off-by: Greg Hackmann <ghackmann@google.com>
| -rw-r--r-- | drivers/video/adf/adf_client.c | 3 |
1 files changed, 3 insertions, 0 deletions
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); |