Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756835Ab0G2KpY (ORCPT ); Thu, 29 Jul 2010 06:45:24 -0400 Received: from mail-ew0-f46.google.com ([209.85.215.46]:51614 "EHLO mail-ew0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752042Ab0G2KpX (ORCPT ); Thu, 29 Jul 2010 06:45:23 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=TH22/3LXbdkgZKqPmBoFGS/5+vQ7+pL+03lVp07sGKoiDzOQ8wMG4wItxcoa8JNMN7 SGepAigDj2X7n5Gd0gFCKxPE3U2ANEsCUbA3aM8JE9u2vponH81HHQNSP3HZJFEkkTn/ cvfa/f6InVd5WpTyShG+CVh3FBD1etmC2X6Co= From: Kulikov Vasiliy To: kernel-janitors@vger.kernel.org Cc: Russell King , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 01/10 v2] arm: leds: check return value of request_region() Date: Thu, 29 Jul 2010 14:44:26 +0400 Message-Id: <1280400267-4659-1-git-send-email-segooon@gmail.com> X-Mailer: git-send-email 1.7.0.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 931 Lines: 29 request_region() may fail, if so return -EBUSY. Signed-off-by: Kulikov Vasiliy --- arch/arm/mach-shark/leds.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-shark/leds.c b/arch/arm/mach-shark/leds.c index c9e32de..cb1a8f2 100644 --- a/arch/arm/mach-shark/leds.c +++ b/arch/arm/mach-shark/leds.c @@ -155,7 +155,8 @@ static int __init leds_init(void) leds_event = sequoia_leds_event; /* Make LEDs independent of power-state */ - request_region(0x24,4,"sequoia"); + if (request_region(0x24, 4, "sequoia") == NULL) + return -EBUSY; temp = sequoia_read(0x09); temp |= 1<<10; sequoia_write(temp,0x09); -- 1.7.0.4 -- 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/