From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755831AbYDWWiW (ORCPT ); Wed, 23 Apr 2008 18:38:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751203AbYDWWiO (ORCPT ); Wed, 23 Apr 2008 18:38:14 -0400 Received: from smtp-out3.tiscali.nl ([195.241.79.178]:34239 "EHLO smtp-out3.tiscali.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751217AbYDWWiN (ORCPT ); Wed, 23 Apr 2008 18:38:13 -0400 Message-ID: <480FBA51.8020403@tiscali.nl> Date: Thu, 24 Apr 2008 00:38:09 +0200 From: Roel Kluin <12o3l@tiscali.nl> User-Agent: Thunderbird 2.0.0.9 (X11/20071031) MIME-Version: 1.0 To: pb@handhelds.org, sameo@openedhand.com, lkml Subject: [PATCH v2] asic3: platform_get_irq() may return signed unnoticed References: <480FAB05.1040107@tiscali.nl> In-Reply-To: <480FAB05.1040107@tiscali.nl> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org asic->irq_nr is unsigned. platform_get_irq() may return signed unnoticed Signed-off-by: Roel Kluin <12o3l@tiscali.nl> --- diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index f6f2d96..8068c06 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -300,10 +300,13 @@ static int asic3_irq_probe(struct platform_device *pdev) struct asic3 *asic = platform_get_drvdata(pdev); unsigned long clksel = 0; unsigned int irq, irq_base; + int ret; - asic->irq_nr = platform_get_irq(pdev, 0); - if (asic->irq_nr < 0) + ret = platform_get_irq(pdev, 0); + if (ret < 0) return asic->irq_nr; + else + asic->irq_nr = ret; /* turn on clock to IRQ controller */ clksel |= CLOCK_SEL_CX;