diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-03-14 16:31:36 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-03-31 09:53:46 +1000 |
| commit | 57f50d70e27f99a9a785c760b2123cdf6a68e2de (patch) | |
| tree | 3b5be46b2294c254b7db4e178274a62eabc2f998 /drivers | |
| parent | 29fb52ca78b4e265ec6c626b0c7b2927953949cf (diff) | |
drm/radeon/kms/pm: fix segfault in clock code
Make sure we have a crtc assigned to the encoder
before dereferencing it.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 6458d52be4e..a4b57493aa7 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -279,7 +279,8 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev) list_for_each_entry(connector, &ddev->mode_config.connector_list, head) { if (connector->encoder && - connector->dpms != DRM_MODE_DPMS_OFF) { + connector->encoder->crtc && + connector->dpms != DRM_MODE_DPMS_OFF) { radeon_crtc = to_radeon_crtc(connector->encoder->crtc); rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id); ++count; |