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gpiolib: gpio_request_one(): add missing gpio_free()

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If GPIO request succeeds, but configuration fails, it should be released.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Acked-by: Eric Miao <eric.miao@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Aaro Koskinen 2010-12-21 17:24:22 -08:00 committed by Linus Torvalds
parent d153ba6445
commit e254811c20
1 changed files with 3 additions and 0 deletions
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3
drivers/gpio/gpiolib.c
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@ -1281,6 +1281,9 @@ int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
err = gpio_direction_output(gpio,
(flags & GPIOF_INIT_HIGH) ? 1 : 0);
if (err)
gpio_free(gpio);
return err;
}
EXPORT_SYMBOL_GPL(gpio_request_one);