From: Christophe JAILLET Date: Tue, 22 Sep 2020 21:05:15 +0000 (+0200) Subject: leds: lp50xx: Fix an error handling path in 'lp50xx_probe_dt()' X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~491^2~516 X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=ad316987c4e451af60f82919a0e639d5d87e3132;p=linux.git leds: lp50xx: Fix an error handling path in 'lp50xx_probe_dt()' [ Upstream commit 6d8d014c7dcf85a79da71ef586d06d03d2cae558 ] In case of memory allocation failure, we must release some resources as done in all other error handling paths of the function. 'goto child_out' instead of a direct return so that 'fwnode_handle_put()' is called when we break out of a 'device_for_each_child_node' loop. Fixes: 242b81170fb8 ("leds: lp50xx: Add the LP50XX family of the RGB LED driver") Signed-off-by: Christophe JAILLET Acked-by: Dan Murphy Signed-off-by: Pavel Machek Signed-off-by: Sasha Levin --- diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c index 5fb4f24aeb2e..f13117eed976 100644 --- a/drivers/leds/leds-lp50xx.c +++ b/drivers/leds/leds-lp50xx.c @@ -487,8 +487,10 @@ static int lp50xx_probe_dt(struct lp50xx *priv) */ mc_led_info = devm_kcalloc(priv->dev, LP50XX_LEDS_PER_MODULE, sizeof(*mc_led_info), GFP_KERNEL); - if (!mc_led_info) - return -ENOMEM; + if (!mc_led_info) { + ret = -ENOMEM; + goto child_out; + } fwnode_for_each_child_node(child, led_node) { ret = fwnode_property_read_u32(led_node, "color",