[Intel-gfx] [PATCH 3/8] Critical KlockWork Error - Fixes - intel_fbdev.c - Possible NullPointerDereference1
Nischal Varide
nischal.varide at intel.com
Fri Aug 14 02:49:45 UTC 2020
---
drivers/gpu/drm/i915/display/intel_fbdev.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index bd39eb6a21b8..ec4f82559fc1 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -595,9 +595,11 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous
* been restored from swap. If the object is stolen however, it will be
* full of whatever garbage was left in there.
*/
- if (state == FBINFO_STATE_RUNNING &&
- intel_fb_obj(&ifbdev->fb->base)->stolen)
+ if (ifbdev->fb && intel_fb_obj(&ifbdev->fb->base)) {
+ if (state == FBINFO_STATE_RUNNING &&
+ intel_fb_obj(&ifbdev->fb->base)->stolen)
memset_io(info->screen_base, 0, info->screen_size);
+ }
drm_fb_helper_set_suspend(&ifbdev->helper, state);
console_unlock();
--
2.26.0
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