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authorDaniel Thompson <daniel.thompson@linaro.org>2024-02-20 15:35:26 +0000
committerLee Jones <lee@kernel.org>2024-03-07 09:03:29 +0000
commit392346827fbe8a7fd573dfb145170d7949f639a6 (patch)
tree3df57e46ca93a802175c8433bf2c8dd32d87da61 /drivers/video
parentabb5a5d951fbea3feb5c4ba179b89bb96a1d3462 (diff)
backlight: lp8788: Fully initialize backlight_properties during probe
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: c5a51053cf3b ("backlight: add new lp8788 backlight driver") Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240220153532.76613-4-daniel.thompson@linaro.org Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/lp8788_bl.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c
index d1a14b0db265..31f97230ee50 100644
--- a/drivers/video/backlight/lp8788_bl.c
+++ b/drivers/video/backlight/lp8788_bl.c
@@ -191,6 +191,7 @@ static int lp8788_backlight_register(struct lp8788_bl *bl)
int init_brt;
char *name;
+ memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = MAX_BRIGHTNESS;