From 02f9217e5eb6fca589c65bf8cc69f28b35916d36 Mon Sep 17 00:00:00 2001 From: Jianqun Xu Date: Thu, 16 Jan 2020 11:11:31 +0800 Subject: [PATCH] drm/rockchip: dw_hdmi fix crash caused by null pointer Change-Id: I7d5ada5f09d2081440d0098782df6200a83ca2b1 Signed-off-by: Jianqun Xu --- drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index 82e3bca29d94..20f37604c000 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -1399,6 +1399,9 @@ static void dw_hdmi_rockchip_shutdown(struct platform_device *pdev) { struct rockchip_hdmi *hdmi = platform_get_drvdata(pdev); + if (!hdmi) + return; + dw_hdmi_suspend(&pdev->dev, hdmi->hdmi); pm_runtime_put_sync(&pdev->dev); }