[PATCH 08/10] gpio: mockup: don't return magic numbers from probe()

[Bartosz Golaszewski]

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

Signed-off-by: Bartosz Golaszewski <b...@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 f6efa97..3ffc3ce 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -381,7 +381,7 @@ 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