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leds: pwm-multicolor: Add check for fwnode_property_read_u32

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[ Upstream commit 6d91124e7edc109f114b1afe6d00d85d0d0ac174 ]

Add a check to the return value of fwnode_property_read_u32()
in case it fails.

Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Link: https://lore.kernel.org/r/20250223121459.2889484-1-ruc_gongyuanjun@163.com
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yuanjun Gong
2025-02-23 20:14:59 +08:00
committed by Greg Kroah-Hartman
parent 2059e6ea11
commit ff01e0d0a6
1 changed files with 4 additions and 1 deletions
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5
drivers/leds/rgb/leds-pwm-multicolor.c
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@@ -135,8 +135,11 @@ static int led_pwm_mc_probe(struct platform_device *pdev)
/* init the multicolor's LED class device */ /* init the multicolor's LED class device */
cdev = &priv->mc_cdev.led_cdev; cdev = &priv->mc_cdev.led_cdev;
fwnode_property_read_u32(mcnode, "max-brightness", ret = fwnode_property_read_u32(mcnode, "max-brightness",
&cdev->max_brightness); &cdev->max_brightness);
if (ret)
goto release_mcnode;
cdev->flags = LED_CORE_SUSPENDRESUME; cdev->flags = LED_CORE_SUSPENDRESUME;
cdev->brightness_set_blocking = led_pwm_mc_set; cdev->brightness_set_blocking = led_pwm_mc_set;