5.10-stable review patch. If anyone has any objections, please let me know.
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From: Marek Behún kabel@kernel.org
[ Upstream commit c3f853184bed04105682383c2971798c572226b5 ]
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: 77dce3a22e89 ("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 --- drivers/leds/led-core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index c4e780bdb3852..2cf5897339ac1 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -425,15 +425,15 @@ 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