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| author | Greg Hackmann <ghackmann@google.com> | 2013-11-20 12:10:35 -0800 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2015-11-19 12:38:11 -0800 |
| commit | f2cf3d30b34b5d1e3a101a252689cba1a98fad83 (patch) | |
| tree | 4591e984a19a3cea70c0ed82798e807f1a8eff19 /drivers/video | |
| parent | 1448c6bb47394c49103cb176ef972ae826f56055 (diff) | |
| download | v4.1-f2cf3d30b34b5d1e3a101a252689cba1a98fad83.tar.gz | |
video: adf: validate dpms state passed to blank
Change-Id: I3a4228d50fc4a2553b3e92e5675a94cbc6e71b8a
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Diffstat (limited to 'drivers/video')
| -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 e4a79213507..bba873d34bb 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); |