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authorBartosz Golaszewski <brgl@bgdev.pl>2017-06-09 13:41:29 +0200
committerLinus Walleij <linus.walleij@linaro.org>2017-06-20 09:18:59 +0200
commit4dc9d76c983db100ec91b65f6cee804871e5102f (patch)
tree189a63c7715324ebdd7305a462300361a821f02a /drivers/gpio
parentb652336d3fb70b95a5b0a5ea3a32e7116b15be29 (diff)
downloadlinux-4dc9d76c983db100ec91b65f6cee804871e5102f.tar.bz2
gpio: mockup: don't return magic numbers from probe()
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>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-mockup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index 0cb6cbacc069..ab2d38e491bc 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) {