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leds: Fix BUG_ON check for LED_COLOR_ID_MULTI that is always false 

[ Upstream commit c3f853184b ]

At the time we call
    BUG_ON(props.color == LED_COLOR_ID_MULTI);
the props variable is still initialized to zero.

Call the BUG_ON only after we parse fwnode into props.

Fixes: 77dce3a22e ("leds: disallow /sys/class/leds/*:multi:* for now")
Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20230801151623.30387-1-kabel@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Marek Behún 2023-08-01 17:16:23 +02:00 committed by Greg Kroah-Hartman
parent 92e1279daf
commit e2a579c5a9
1 changed files with 4 additions and 4 deletions
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8
drivers/leds/led-core.c
View File

@ -419,15 +419,15 @@ int led_compose_name(struct device *dev, struct led_init_data *init_data,
struct fwnode_handle *fwnode = init_data->fwnode;
const char *devicename = init_data->devicename;
/* We want to label LEDs that can produce full range of colors
* as RGB, not multicolor */
BUG_ON(props.color == LED_COLOR_ID_MULTI);
if (!led_classdev_name)
return -EINVAL;
led_parse_fwnode_props(dev, fwnode, &props);
/* We want to label LEDs that can produce full range of colors
* as RGB, not multicolor */
BUG_ON(props.color == LED_COLOR_ID_MULTI);
if (props.label) {
/*
* If init_data.devicename is NULL, then it indicates that