Commit 238604ca authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Inki Dae

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: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 0a51897b
...@@ -430,6 +430,7 @@ static void exynos_drm_unbind(struct device *dev) ...@@ -430,6 +430,7 @@ static void exynos_drm_unbind(struct device *dev)
kfree(drm->dev_private); kfree(drm->dev_private);
drm->dev_private = NULL; drm->dev_private = NULL;
dev_set_drvdata(dev, NULL);
drm_dev_unref(drm); drm_dev_unref(drm);
} }
......
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