From 92598bdbaef2c73566cd4a4ba8bd40889b0848ce Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 13 May 2021 19:39:18 -0600 Subject: [PATCH] video: Check return value in pwm_backlight_of_to_plat() This cannot actually fail, but check the value anyway to keep coverity happy. Signed-off-by: Simon Glass Reported-by: Coverity (CID: 316351) --- drivers/video/pwm_backlight.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/video/pwm_backlight.c b/drivers/video/pwm_backlight.c index 4c86215bd7..d7c096923b 100644 --- a/drivers/video/pwm_backlight.c +++ b/drivers/video/pwm_backlight.c @@ -235,8 +235,10 @@ static int pwm_backlight_of_to_plat(struct udevice *dev) priv->levels = malloc(len); if (!priv->levels) return log_ret(-ENOMEM); - dev_read_u32_array(dev, "brightness-levels", priv->levels, - count); + ret = dev_read_u32_array(dev, "brightness-levels", priv->levels, + count); + if (ret) + return log_msg_ret("levels", ret); priv->num_levels = count; priv->default_level = priv->levels[index]; priv->max_level = priv->levels[count - 1]; -- 2.39.5