Commit 238604ca authored Oct 09, 2017 by Marek Szyprowski Committed by Inki Dae Oct 16, 2017

drm/exynos: Clear drvdata after component unbind



When components are unbound, DRM driver is unregistered and freed,
so clear drvdata to avoid potential use-after-free issue in
suspend/resume paths.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

parent 0a51897b

drivers/gpu/drm/exynos/exynos_drm_drv.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -430,6 +430,7 @@ static void exynos_drm_unbind(struct device *dev)

		kfree(drm->dev_private);
		drm->dev_private = NULL;
		dev_set_drvdata(dev, NULL);

		drm_dev_unref(drm);
		}