From d8578836ad2ebaaf0a899c72d12201009e0ad1e5 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Fri, 4 Dec 2015 15:54:30 +0100 Subject: [PATCH] Revert "drm/i915: Remove superfluous NULL check" This reverts commit 89f41f4f90741fe94b6da9d4d366628a9b0be8f1. It's possible that ->crtc is NULL in here. Noticed by Ville. Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_audio.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 97302457e7f9..9aa83e71b792 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -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); if (port == intel_dig_port->port) { crtc = to_intel_crtc(intel_encoder->base.crtc); + if (!crtc) { + DRM_DEBUG_KMS("%s: crtc is NULL\n", __func__); + continue; + } pipe = crtc->pipe; break; } -- 2.30.2