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| author | Yuanjun Gong <ruc_gongyuanjun@163.com> | 2025-02-23 20:14:59 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-29 11:02:36 +0200 |
| commit | 562b4f70bf88add47ef146e02bf972b9a8ab370d (patch) | |
| tree | df43792722eb9d6d01437774b114600766caa68d | |
| parent | b8fcb1cdbfc0c876a443d34ae3fe5154d6642715 (diff) | |
leds: pwm-multicolor: Add check for fwnode_property_read_u32
[ 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>
| -rw-r--r-- | drivers/leds/rgb/leds-pwm-multicolor.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/leds/rgb/leds-pwm-multicolor.c b/drivers/leds/rgb/leds-pwm-multicolor.c index e1a81e0109e8..c0aa34b1d0e2 100644 --- a/drivers/leds/rgb/leds-pwm-multicolor.c +++ b/drivers/leds/rgb/leds-pwm-multicolor.c @@ -135,8 +135,11 @@ static int led_pwm_mc_probe(struct platform_device *pdev) /* init the multicolor's LED class device */ cdev = &priv->mc_cdev.led_cdev; - fwnode_property_read_u32(mcnode, "max-brightness", + ret = fwnode_property_read_u32(mcnode, "max-brightness", &cdev->max_brightness); + if (ret) + goto release_mcnode; + cdev->flags = LED_CORE_SUSPENDRESUME; cdev->brightness_set_blocking = led_pwm_mc_set; |