From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartosz Golaszewski Subject: [PATCH v3 5/8] gpio: mockup: don't return magic numbers from probe() Date: Fri, 9 Jun 2017 13:41:29 +0200 Message-ID: <1497008492-14907-6-git-send-email-brgl@bgdev.pl> References: <1497008492-14907-1-git-send-email-brgl@bgdev.pl> Return-path: In-Reply-To: <1497008492-14907-1-git-send-email-brgl@bgdev.pl> Sender: linux-kernel-owner@vger.kernel.org To: Andy Shevchenko , Linus Walleij , Alexandre Courbot , Bamvor Jian Zhang Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski List-Id: linux-gpio@vger.kernel.org When the requested number of GPIO lines is 0, return -EINVAL, not -1 which is -EPERM. Signed-off-by: Bartosz Golaszewski --- 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