From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757242AbaHGEkI (ORCPT ); Thu, 7 Aug 2014 00:40:08 -0400 Received: from mail-yh0-f66.google.com ([209.85.213.66]:53551 "EHLO mail-yh0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757213AbaHGEkG (ORCPT ); Thu, 7 Aug 2014 00:40:06 -0400 From: Nick Krause To: Linus Walleij , Alexandre Courbot , linux-gpio@vger.kernel.org (open list:GPIO SUBSYSTEM), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] drivers/gpio: Check return value to silence warning Date: Thu, 7 Aug 2014 06:40:13 +0200 Message-Id: <1407386413-20111-1-git-send-email-xerofoiify@gmail.com> X-Mailer: git-send-email 2.0.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Check for return value to fix the following error drivers/gpio/gpio-sch311x.c: In function 'sch311x_gpio_probe': drivers/gpio/gpio-sch311x.c:286:18: warning: ignoring return value of 'gpiochip_remove', declared with attribute warn_unused_result [-Wunused-result] in the context we do not need to check but checking makes compiler happy. With help from kernelnewbies. Signed-off-by: Nick Krause --- drivers/gpio/gpio-sch311x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-sch311x.c b/drivers/gpio/gpio-sch311x.c index f942b80..af35e99 100644 --- a/drivers/gpio/gpio-sch311x.c +++ b/drivers/gpio/gpio-sch311x.c @@ -283,7 +283,7 @@ exit_err: release_region(pdata->runtime_reg + GP1, 6); /* release already registered chips */ for (--i; i >= 0; i--) - gpiochip_remove(&priv->blocks[i].chip); + WARN_ON(gpiochip_remove(&priv->blocks[i].chip)); return err; } -- 2.0.1