[PATCH v3 5/8] gpio: mockup: don't return magic numbers from probe()

[Bartosz Golaszewski <brgl@xxxxxxxx>]

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

Signed-off-by: Bartosz Golaszewski <brgl@xxxxxxxx>
---
 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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