Commit 1739a2d8 authored Feb 19, 2020 by Bartosz Golaszewski Committed by Linus Walleij Feb 21, 2020

gpiolib: use gpiochip_get_desc() where applicable



Whenever retrieving a descriptor from a gpiochip: use the provided
helper which checks for errors.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20200219094702.6463-1-brgl@bgdev.pl


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent 023892ec

drivers/gpio/gpiolib.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -3143,7 +3143,9 @@ const char gpiochip_is_requested(struct gpio_chip chip, unsigned offset)
		if (offset >= chip->ngpio)
		return NULL;

		desc = &chip->gpiodev->descs[offset];
		desc = gpiochip_get_desc(chip, offset);
		if (IS_ERR(desc))
		return NULL;

		if (test_bit(FLAG_REQUESTED, &desc->flags) == 0)
		return NULL;

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