linux-kernel - [PATCH 1/4] backlight: lm3630a: Initialize backlight

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Date: Tue, 20 Feb 2024 00:11:19 +0100
From: Luca Weiss <luca@...tu.xyz>
To: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 Lee Jones <lee@...nel.org>, Daniel Thompson <daniel.thompson@...aro.org>, 
 Jingoo Han <jingoohan1@...il.com>, Helge Deller <deller@....de>, 
 Andrew Morton <akpm@...ux-foundation.org>, 
 "G.Shark Jeong" <gshark.jeong@...il.com>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Maximilian Weigand <mweigand@...igand.net>
Cc: dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 devicetree@...r.kernel.org, Luca Weiss <luca@...tu.xyz>
Subject: [PATCH 1/4] backlight: lm3630a: Initialize backlight_properties on
 init

The backlight_properties struct should be initialized to zero before
using, otherwise there will be some random values in the struct.

Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip")
Signed-off-by: Luca Weiss <luca@...tu.xyz>
---
 drivers/video/backlight/lm3630a_bl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index a3412c936ca2..8e275275b808 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -343,6 +343,7 @@ static int lm3630a_backlight_register(struct lm3630a_chip *pchip)
 	struct backlight_properties props;
 	const char *label;
 
+	memset(&props, 0, sizeof(struct backlight_properties));
 	props.type = BACKLIGHT_RAW;
 	if (pdata->leda_ctrl != LM3630A_LEDA_DISABLE) {
 		props.brightness = pdata->leda_init_brt;

-- 
2.43.2