Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752992Ab2FRRon (ORCPT ); Mon, 18 Jun 2012 13:44:43 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:33424 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751861Ab2FRRom (ORCPT ); Mon, 18 Jun 2012 13:44:42 -0400 From: Devendra Naga To: Linus Walleij , Stephen Warren , linux-kernel@vger.kernel.org Cc: Devendra Naga Subject: [PATCH 1/2] pinctrl/pinctrl-tegra: remove IS_ERR checking of pmx->pctl Date: Mon, 18 Jun 2012 23:14:31 +0530 Message-Id: <1340041471-30122-1-git-send-email-devendra.aaru@gmail.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1399 Lines: 39 pinctrl_register returns a pointer of struct type struct pinctrl_dev, if successfully registered to pinctrl subsystem, otherwise returns NULL, and there wont' be any pointers which are not dereferencible. They are not type of pointer addresses but are kind of error codes rather actual addresses, but are a kind of return codes of functions returning integer types. return -ENODEV if device registration fails. Signed-off-by: Devendra Naga --- drivers/pinctrl/pinctrl-tegra.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/pinctrl-tegra.c b/drivers/pinctrl/pinctrl-tegra.c index 07228b1..ae52e4e 100644 --- a/drivers/pinctrl/pinctrl-tegra.c +++ b/drivers/pinctrl/pinctrl-tegra.c @@ -745,9 +745,9 @@ int __devinit tegra_pinctrl_probe(struct platform_device *pdev, } pmx->pctl = pinctrl_register(&tegra_pinctrl_desc, &pdev->dev, pmx); - if (IS_ERR(pmx->pctl)) { + if (!pmx->pctl) { dev_err(&pdev->dev, "Couldn't register pinctrl driver\n"); - return PTR_ERR(pmx->pctl); + return -ENODEV; } pinctrl_add_gpio_range(pmx->pctl, &tegra_pinctrl_gpio_range); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/