From mboxrd@z Thu Jan 1 00:00:00 1970 From: Viresh Kumar Subject: Re: [PATCH 4/6 v2] mmc: sdhci-spear: Handle return value of platform_get_irq Date: Mon, 20 Nov 2017 11:14:15 +0530 Message-ID: <20171120054415.GC6125@vireshk-i7> References: <130df0c2c60ed6a0f460b68c586cc0a4167aed0b.1510997223.git.arvind.yadav.cs@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pg0-f65.google.com ([74.125.83.65]:35321 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751179AbdKTFoS (ORCPT ); Mon, 20 Nov 2017 00:44:18 -0500 Received: by mail-pg0-f65.google.com with SMTP id l19so6504093pgo.2 for ; Sun, 19 Nov 2017 21:44:17 -0800 (PST) Content-Disposition: inline In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Arvind Yadav Cc: 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, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, linux-amlogic@lists.infradead.org On 18-11-17, 15:03, Arvind Yadav wrote: > 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); Acked-by: Viresh Kumar -- viresh