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drivers: leds: Fix LP503X bank mode LED bounds

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PWMIOC_ENABLE_LED_BANK_MODE uses the provided LED number to index the LP503X led_mode array. Reject values outside the RGB LED range before writing that array.

Generated-by: OpenAI Codex
Signed-off-by: aineoae86-sys <ai.neo.ae86@gmail.com>
This commit is contained in:
aineoae86-sys 2026-07-06 03:04:37 +08:00 • committed by Alin Jerpelea
parent bfc6df0fdc
commit 75b3c8e2a4
1 changed files with 6 additions and 0 deletions
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6
drivers/leds/lp503x.c
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@ -829,6 +829,12 @@ static int lp503x_ioctl(struct file *filep, int cmd,
break;
case PWMIOC_ENABLE_LED_BANK_MODE: /* led(0..11), mode required */
if (lp503x_ioctl_args->lednum > MAX_RGB_LEDS)
{
ret = -EINVAL;
break;
}
ledinfo("INFO: setting LED %d mode to %" PRIx32 "\n",
lp503x_ioctl_args->lednum,
lp503x_ioctl_args->param);