UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

backlight: da9052: Fully initialize backlight_properties during probe 

[ Upstream commit 0285e9efaee8276305db5c52a59baf84e9731556 ]

props is stack allocated and the fields that are not explcitly set
by the probe function need to be zeroed or we'll get undefined behaviour
(especially so power/blank states)!

Fixes: 6ede3d832a ("backlight: add driver for DA9052/53 PMIC v1")
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240220153532.76613-2-daniel.thompson@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Daniel Thompson 2024-02-20 15:35:24 +00:00 committed by Sasha Levin
parent 099d15c6b5
commit 6b97127d3f
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/video/backlight/da9052_bl.c
View File

@ -117,6 +117,7 @@ static int da9052_backlight_probe(struct platform_device *pdev)
wleds->led_reg = platform_get_device_id(pdev)->driver_data;
wleds->state = DA9052_WLEDS_OFF;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = DA9052_MAX_BRIGHTNESS;