From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4F75C55178 for ; Tue, 27 Oct 2020 16:04:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 781EB20829 for ; Tue, 27 Oct 2020 16:04:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603814642; bh=2jJ9tJ8ThV/zRKfrX0CrGAv50pYCDmtRCr4Mv/+VSW4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ClDqAbECVmIR0EsY67FjRIIABuzUxvNsIN52VDbg/b44Ku2uO6l0uqfIknnAaZwah o7Nai7DJij+ZecLATzPwVoECJyaOSeBJ5k0cy8SPrGqujjHGBrMf74rmJvSMnC+eax l8r7HGZYDBEt+4xe7gsZ7cliuxA0Sm2XOXtPX0YA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1805919AbgJ0QD5 (ORCPT ); Tue, 27 Oct 2020 12:03:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:43360 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1802313AbgJ0PqK (ORCPT ); Tue, 27 Oct 2020 11:46:10 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BC97E21D42; Tue, 27 Oct 2020 15:46:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603813570; bh=2jJ9tJ8ThV/zRKfrX0CrGAv50pYCDmtRCr4Mv/+VSW4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ag4FRtaOw9Yktkr/DGbraig3QvICqVAiqBK1jWh43yuD3UYliy1rsxxklwe7Aw04V 2Z3f59M+9QvUhtIM1ifGd1efyub+13VfnEf22QMFU0VJkFYoJwE+HGZKS7MOcYLOk+ 01SHFIA3zPBpORCYRd/2H6fOZfnfXf/GG1c6R4h0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 5.9 596/757] memory: fsl-corenet-cf: Fix handling of platform_get_irq() error Date: Tue, 27 Oct 2020 14:54:06 +0100 Message-Id: <20201027135518.496919926@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027135450.497324313@linuxfoundation.org> References: <20201027135450.497324313@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Krzysztof Kozlowski [ Upstream commit dd85345abca60a8916617e8d75c0f9ce334336dd ] platform_get_irq() returns -ERRNO on error. In such case comparison to 0 would pass the check. Fixes: 54afbec0d57f ("memory: Freescale CoreNet Coherency Fabric error reporting driver") Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20200827073315.29351-1-krzk@kernel.org Signed-off-by: Sasha Levin --- drivers/memory/fsl-corenet-cf.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c index 0b0ed72016da8..0309bd5a18008 100644 --- a/drivers/memory/fsl-corenet-cf.c +++ b/drivers/memory/fsl-corenet-cf.c @@ -211,10 +211,8 @@ static int ccf_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, ccf); irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "%s: no irq\n", __func__); - return -ENXIO; - } + if (irq < 0) + return irq; ret = devm_request_irq(&pdev->dev, irq, ccf_irq, 0, pdev->name, ccf); if (ret) { -- 2.25.1