From: Chris Wilson Date: Thu, 4 Sep 2014 20:43:45 +0000 (+0100) Subject: drm/i915/hdmi, dp: Do not dereference the encoder in the connector destroy X-Git-Tag: firefly_0821_release~176^2~2672^2~79^2~88 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=10e972d3f6dd77e009611c4bfeed02fa9827d0d6;p=firefly-linux-kernel-4.4.55.git drm/i915/hdmi, dp: Do not dereference the encoder in the connector destroy Oops, apparently intel_hdmi/intel_dp is the encoder - an object with a distinct lifetime to the connector, and so we cannot simply reuse the common function to unset and free the edid. Signed-off-by: Chris Wilson Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 2a26774ddb68..c973cd6bb4f5 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4395,7 +4395,7 @@ intel_dp_connector_destroy(struct drm_connector *connector) { struct intel_connector *intel_connector = to_intel_connector(connector); - intel_dp_unset_edid(intel_attached_dp(connector)); + kfree(intel_connector->detect_edid); if (!IS_ERR_OR_NULL(intel_connector->edid)) kfree(intel_connector->edid); diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index c5861736b4b0..7fed5bedc10f 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1501,7 +1501,7 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder) static void intel_hdmi_destroy(struct drm_connector *connector) { - intel_hdmi_unset_edid(connector); + kfree(to_intel_connector(connector)->detect_edid); drm_connector_cleanup(connector); kfree(connector); }