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gpiolib: unlock on error in gpio_export()

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We need to unlock here before returning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Dan Carpenter 2012-10-26 09:59:43 +03:00 committed by Linus Walleij
parent 80b0a60292
commit 529f2ad5e3
1 changed files with 2 additions and 1 deletions
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3
drivers/gpio/gpiolib.c
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@ -756,7 +756,8 @@ int gpio_export(unsigned gpio, bool direction_may_change)
__func__, gpio, __func__, gpio,
test_bit(FLAG_REQUESTED, &desc->flags), test_bit(FLAG_REQUESTED, &desc->flags),
test_bit(FLAG_EXPORT, &desc->flags)); test_bit(FLAG_EXPORT, &desc->flags));
return -EPERM; status = -EPERM;
goto fail_unlock;
} }
if (!desc->chip->direction_input || !desc->chip->direction_output) if (!desc->chip->direction_input || !desc->chip->direction_output)