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gpio: mockup: don't return magic numbers from probe()

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When the requested number of GPIO lines is 0, return -EINVAL, not
-1 which is -EPERM.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2017-06-09 13:41:29 +02:00 committed by Linus Walleij
parent b652336d3f
commit 4dc9d76c98
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-mockup.c
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@ -369,7 +369,7 @@ static int gpio_mockup_probe(struct platform_device *pdev)
ret = gpio_mockup_add(dev, &chips[i],
chip_name, base, ngpio);
} else {
ret = -1;
ret = -EINVAL;
}
if (ret) {