From 9152c4ad345e7a42adfc912b6545bfacfbeaa146 Mon Sep 17 00:00:00 2001 From: Jinfeng Gu Date: Thu, 22 Aug 2024 15:51:37 +0800 Subject: [PATCH] BACKPORT: 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 --- drivers/gpu/drm/msm/dsi-staging/dsi_display.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/msm/dsi-staging/dsi_display.c b/drivers/gpu/drm/msm/dsi-staging/dsi_display.c index 664fd31563cd..5a242ba076d8 100644 --- a/drivers/gpu/drm/msm/dsi-staging/dsi_display.c +++ b/drivers/gpu/drm/msm/dsi-staging/dsi_display.c @@ -4931,6 +4931,10 @@ int dsi_display_dev_remove(struct platform_device *pdev) } display = platform_get_drvdata(pdev); + if (!display) { + pr_err("invalid display\n"); + return -EINVAL; + } (void)_dsi_display_dev_deinit(display);