Greg, please drop this patch from both 5.10 and 5.15. Reference: https://lore.kernel.org/linux-leds/ZQLelWcNjjp2xndY@xxxxxxxxxx/T/ I am going to send a fix to drop the check altogether. Marek On Sun, 17 Sep 2023 21:11:55 +0200 Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > 5.10-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Marek Behún <kabel@xxxxxxxxxx> > > [ 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@xxxxxxxxxx> > Link: https://lore.kernel.org/r/20230801151623.30387-1-kabel@xxxxxxxxxx > Signed-off-by: Lee Jones <lee@xxxxxxxxxx> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> > --- > 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