From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1163419AbdKRJfe (ORCPT ); Sat, 18 Nov 2017 04:35:34 -0500 Received: from mail-pg0-f65.google.com ([74.125.83.65]:37322 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1163220AbdKRJeZ (ORCPT ); Sat, 18 Nov 2017 04:34:25 -0500 X-Google-Smtp-Source: AGs4zMZYBK20iqOHzOzBfNbQC1w0ZeDFTUwR402jWrpqWGHXNnTHKojVkIBYaZititSdrUHGzwaKag== From: Arvind Yadav To: ben-linux@fluff.org, ulf.hansson@linaro.org, adrian.hunter@intel.com, vireshk@kernel.org, maxime.ripard@free-electrons.com, wens@csie.org, linux@armlinux.org.uk, carlo@caione.org, khilman@baylibre.com Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, linux-amlogic@lists.infradead.org Subject: [PATCH 4/6 v2] mmc: sdhci-spear: Handle return value of platform_get_irq Date: Sat, 18 Nov 2017 15:03:46 +0530 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: <130df0c2c60ed6a0f460b68c586cc0a4167aed0b.1510997223.git.arvind.yadav.cs@gmail.com> References: <130df0c2c60ed6a0f460b68c586cc0a4167aed0b.1510997223.git.arvind.yadav.cs@gmail.com> In-Reply-To: <130df0c2c60ed6a0f460b68c586cc0a4167aed0b.1510997223.git.arvind.yadav.cs@gmail.com> References: <130df0c2c60ed6a0f460b68c586cc0a4167aed0b.1510997223.git.arvind.yadav.cs@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav --- changes in v2 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid. drivers/mmc/host/sdhci-spear.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c index 8c0f884..900838b 100644 --- a/drivers/mmc/host/sdhci-spear.c +++ b/drivers/mmc/host/sdhci-spear.c @@ -82,6 +82,10 @@ static int sdhci_probe(struct platform_device *pdev) host->hw_name = "sdhci"; host->ops = &sdhci_pltfm_ops; host->irq = platform_get_irq(pdev, 0); + if (host->irq <= 0) { + ret = host->irq; + goto err_host; + } host->quirks = SDHCI_QUIRK_BROKEN_ADMA; sdhci = sdhci_priv(host); -- 2.7.4