Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755911Ab0AMLGx (ORCPT ); Wed, 13 Jan 2010 06:06:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755359Ab0AMLGu (ORCPT ); Wed, 13 Jan 2010 06:06:50 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:58064 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755482Ab0AMLF6 (ORCPT ); Wed, 13 Jan 2010 06:05:58 -0500 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: linux-kernel@vger.kernel.org Cc: David Vrabel , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-pcmcia@lists.infradead.org Subject: [RESEND PATCH 4/5] pcmcia/bfin_cf: don't check platform_get_irq's return value against zero Date: Wed, 13 Jan 2010 12:05:45 +0100 Message-Id: <1263380746-27803-4-git-send-email-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 1.6.6 In-Reply-To: <1260979809-24811-1-git-send-email-u.kleine-koenig@pengutronix.de> References: <1260979809-24811-1-git-send-email-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1398 Lines: 37 platform_get_irq returns -ENXIO on failure, so !irq was probably always true. Better use irq <= 0. Note that a return value of zero is still handled as error even though this could mean irq0. This is a followup to 305b3228f9ff4d59f49e6d34a7034d44ee8ce2f0 that changed the return value of platform_get_irq from 0 to -ENXIO on error. Signed-off-by: Uwe Kleine-König Cc: David Vrabel Cc: Greg Kroah-Hartman Cc: Rafael J. Wysocki Cc: linux-pcmcia@lists.infradead.org --- drivers/pcmcia/bfin_cf_pcmcia.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c index 300b368..2482ce7 100644 --- a/drivers/pcmcia/bfin_cf_pcmcia.c +++ b/drivers/pcmcia/bfin_cf_pcmcia.c @@ -205,7 +205,7 @@ static int __devinit bfin_cf_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Blackfin CompactFlash/PCMCIA Socket Driver\n"); irq = platform_get_irq(pdev, 0); - if (!irq) + if (irq <= 0) return -EINVAL; cd_pfx = platform_get_irq(pdev, 1); /*Card Detect GPIO PIN */ -- 1.6.6 -- 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/