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drm/i915: Fix reference leak in intel_modeset_readout_hw_state. 

Unreference the old mode_blob by calling the crtc_destroy_state
helper before zeroing the crtc_state.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst 2015-07-14 13:42:49 +02:00 committed by Daniel Vetter
parent 4cf0ebbd4f
commit b06f8b0df7
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/intel_display.c
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@ -15441,6 +15441,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
int i;
for_each_intel_crtc(dev, crtc) {
__drm_atomic_helper_crtc_destroy_state(&crtc->base, crtc->base.state);
memset(crtc->config, 0, sizeof(*crtc->config));
crtc->config->base.crtc = &crtc->base;