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Revert "drm/i915: Remove superfluous NULL check" 

This reverts commit 89f41f4f90.

It's possible that ->crtc is NULL in here. Noticed by Ville.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
This commit is contained in:
Daniel Vetter 2015-12-04 15:54:30 +01:00
parent 6a8beeffed
commit d8578836ad
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_audio.c
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@ -653,6 +653,10 @@ static int i915_audio_component_sync_audio_rate(struct device *dev,
intel_dig_port = enc_to_dig_port(&intel_encoder->base); intel_dig_port = enc_to_dig_port(&intel_encoder->base);
if (port == intel_dig_port->port) { if (port == intel_dig_port->port) {
crtc = to_intel_crtc(intel_encoder->base.crtc); crtc = to_intel_crtc(intel_encoder->base.crtc);
if (!crtc) {
DRM_DEBUG_KMS("%s: crtc is NULL\n", __func__);
continue;
}
pipe = crtc->pipe; pipe = crtc->pipe;
break; break;
} }