From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751476AbdE3I7A (ORCPT ); Tue, 30 May 2017 04:59:00 -0400 Received: from mail-wm0-f50.google.com ([74.125.82.50]:35223 "EHLO mail-wm0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751382AbdE3I6x (ORCPT ); Tue, 30 May 2017 04:58:53 -0400 From: Bartosz Golaszewski To: Linus Walleij , Alexandre Courbot , Bamvor Jian Zhang Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v2 5/7] gpio: mockup: don't return magic numbers from probe() Date: Tue, 30 May 2017 10:58:38 +0200 Message-Id: <1496134720-5363-6-git-send-email-brgl@bgdev.pl> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1496134720-5363-1-git-send-email-brgl@bgdev.pl> References: <1496134720-5363-1-git-send-email-brgl@bgdev.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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