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    Subject[PATCH v3 5/8] gpio: mockup: don't return magic numbers from probe()
    Date
    When the requested number of GPIO lines is 0, return -EINVAL, not
    -1 which is -EPERM.

    Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
    ---
    drivers/gpio/gpio-mockup.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
    index 0cb6cba..ab2d38e 100644
    --- a/drivers/gpio/gpio-mockup.c
    +++ b/drivers/gpio/gpio-mockup.c
    @@ -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) {
    --
    2.9.3
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