Commit 6a99ad4a authored by Jon Povey's avatar Jon Povey Committed by Linus Torvalds

gpio: fix spurious printk when freeing a gpio

When freeing a gpio that has not been exported, gpio_unexport() prints a
debug message when it should just fall through silently.

Example spurious message:

	gpio_unexport: gpio0 status -22
Signed-off-by: default avatarJon Povey <jon.povey@racelogic.co.uk>
Cc: David Brownell <david-b@pacbell.net>
Acked-by: default avatarUwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>
Cc: Gregory Bean <gbean@codeaurora.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 952e1c66
......@@ -893,10 +893,12 @@ EXPORT_SYMBOL_GPL(gpio_sysfs_set_active_low);
void gpio_unexport(unsigned gpio)
{
struct gpio_desc *desc;
int status = -EINVAL;
int status = 0;
if (!gpio_is_valid(gpio))
if (!gpio_is_valid(gpio)) {
status = -EINVAL;
goto done;
}
mutex_lock(&sysfs_lock);
......@@ -911,7 +913,6 @@ void gpio_unexport(unsigned gpio)
clear_bit(FLAG_EXPORT, &desc->flags);
put_device(dev);
device_unregister(dev);
status = 0;
} else
status = -ENODEV;
}
......
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