Commit 1d7765ba authored Mar 26, 2019 by Andy Shevchenko Committed by Bartosz Golaszewski Apr 04, 2019

gpiolib: Don't WARN on gpiod_put() for optional GPIO



In case of debug and optional GPIO requested, the gpiod_put() is not aware of
and will WARN, which is not the case.

Make gpiod_put() NULL-aware to keep silent for optional GPIOs.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

parent 85edcd01

drivers/gpio/gpiolib.c

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -4616,6 +4616,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_array_optional);
	*/		*/
	void gpiod_put(struct gpio_desc *desc)		void gpiod_put(struct gpio_desc *desc)
	{		{
			if (desc)
	gpiod_free(desc);		gpiod_free(desc);
	}		}
	EXPORT_SYMBOL_GPL(gpiod_put);		EXPORT_SYMBOL_GPL(gpiod_put);

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