From: Guido Günther <agx@sigxcpu.org>
Date: Tue, 13 Oct 2020 10:32:46 +0000 (+0200)
Subject: drm/panel: mantix: Don't dereference NULL mode
X-Git-Tag: accepted/tizen/unified/20230118.172025~6402^2~28^2~1630
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f41b019aa5e05f8172db2e9396b5c2d2602305e2;p=platform%2Fkernel%2Flinux-rpi.git

drm/panel: mantix: Don't dereference NULL mode

Don't dereference mode which was just NULL checked.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/659158549f3c6cc1c71ceed0943e760e861c1206.1602584953.git.agx@sigxcpu.org
---

diff --git a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
index 3482e28..4a7fbf6 100644
--- a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
+++ b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
@@ -204,7 +204,7 @@ static int mantix_get_modes(struct drm_panel *panel,
 	if (!mode) {
 		dev_err(ctx->dev, "Failed to add mode %ux%u@%u\n",
 			default_mode.hdisplay, default_mode.vdisplay,
-			drm_mode_vrefresh(mode));
+			drm_mode_vrefresh(&default_mode));
 		return -ENOMEM;
 	}