From 0289b7a3f7c7ba63dcd9891e78155b38fac16d43 Mon Sep 17 00:00:00 2001 From: Jinfeng Gu Date: Thu, 22 Aug 2024 15:51:37 +0800 Subject: [PATCH] disp: msm: dsi: add null pointer check in dsi_display_dev_remove This change add display null pointer check in dsi_display_dev_remove. Change-Id: Ib31756c3b22256d19cbcb508f60de4550e3834e1 Signed-off-by: Jinfeng Gu --- msm/dsi/dsi_display.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/msm/dsi/dsi_display.c b/msm/dsi/dsi_display.c index 1130293e3272..dcdc881a9f85 100644 --- a/msm/dsi/dsi_display.c +++ b/msm/dsi/dsi_display.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) 2022, 2024 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved. */ @@ -6131,6 +6131,10 @@ int dsi_display_dev_remove(struct platform_device *pdev) } display = platform_get_drvdata(pdev); + if (!display || !display->panel_node) { + DSI_ERR("invalid display\n"); + return -EINVAL; + } /* decrement ref count */ of_node_put(display->panel_node);