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gpiolib: add desc validation to gpiod_set_transitory()

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The gpiod_set_transitory() function is publicly exported, and
it is expected from it to be ready for usage with optional GPIOs
on consumer's side.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Vladimir Zapolskiy 2017-12-21 18:37:35 +02:00 committed by Linus Walleij
parent dd3b9a4408
commit 156dd39219
1 changed files with 1 additions and 0 deletions
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drivers/gpio/gpiolib.c
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@ -2526,6 +2526,7 @@ int gpiod_set_transitory(struct gpio_desc *desc, bool transitory)
int gpio;
int rc;
VALIDATE_DESC(desc);
/*
* Handle FLAG_TRANSITORY first, enabling queries to gpiolib for
* persistence state.