diff options
Diffstat (limited to 'drivers/leds/leds-gpio-register.c')
| -rw-r--r-- | drivers/leds/leds-gpio-register.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/leds/leds-gpio-register.c b/drivers/leds/leds-gpio-register.c index 1c4ed5510f35..ccc01fa72e6f 100644 --- a/drivers/leds/leds-gpio-register.c +++ b/drivers/leds/leds-gpio-register.c @@ -1,18 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2011 Pengutronix * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> - * - * This program is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License version 2 as published by the - * Free Software Foundation. */ #include <linux/err.h> +#include <linux/leds.h> #include <linux/platform_device.h> #include <linux/slab.h> -#include <linux/leds.h> /** * gpio_led_register_device - register a gpio-led device + * @id: platform ID * @pdata: the platform data used for the new device * * Makes a copy of pdata and pdata->leds and registers a new leds-gpio device @@ -28,6 +26,9 @@ struct platform_device *__init gpio_led_register_device( struct platform_device *ret; struct gpio_led_platform_data _pdata = *pdata; + if (!pdata->num_leds) + return ERR_PTR(-EINVAL); + _pdata.leds = kmemdup(pdata->leds, pdata->num_leds * sizeof(*pdata->leds), GFP_KERNEL); if (!_pdata.leds) |