From patchwork Thu Aug 27 07:07:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11740099 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6CB2314F6 for ; Thu, 27 Aug 2020 07:08:06 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4696020786 for ; Thu, 27 Aug 2020 07:08:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CgUYpLZt"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="UtVeiKwE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4696020786 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Owner; bh=+r5c1qd08kLjvjU/AXHmeTyZ9HwlNR7oFfmgIYD432s=; b=CgUYpLZtP74LoMb6/yJYENKkmR SEu28e/ZhSLElbL5W8KDjd0dihfCVzQ7bCiwZNLtJM+rjth9PdZw5Zq4HZrcJ+HTovhwbr6tpSCuR VbUCL+v6SG1Vzf/vDbJJppXKXuBm+fc2k+LBwDtfYHEUk12QR9qdaUEkDSTWQyQfF8CxtDJIgqgtE NaKKQmyZrr7c/+Mn0J+JEMS4SZIYrKOeE86baVJjHlxVtwbkXrKLVj5FAavrM2NzBHCXMpxAIQJ1W HqOYQgVFgpXkVUnyiDinZqhYGYhP7fLl2BQ2kFr7QcQLo11JNlk++Dioe8HxWDdzzmGjsp+BFGnXi 9N9wdVRA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kBC0o-00041b-HC; Thu, 27 Aug 2020 07:07:54 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kBC0m-00040T-IF for linux-arm-kernel@lists.infradead.org; Thu, 27 Aug 2020 07:07:53 +0000 Received: from kozik-lap.mshome.net (unknown [194.230.155.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D2F9F20786; Thu, 27 Aug 2020 07:07:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598512071; bh=N/nhk9ZU4iq0+cgOvmAy8U6IL85LhG10MTNPMpmXw0M=; h=From:To:Cc:Subject:Date:From; b=UtVeiKwEjA811MRUai0bNAO/xw87FSHGWyrpQrDg32A/0z24mHKXEQ3gH2p6R+6P6 9s1CpkfYQxiILIMcpsPAk0Hs01ZBhyQbzMoXlFUqxk3wcocXXiVWJA3at0kDS2OLra 5hotaSRyL5GfHdrORiUMVhV2Z0AhqKmi0o8U9glg= From: Krzysztof Kozlowski To: Stefan Schaeckeler , Borislav Petkov , Mauro Carvalho Chehab , Tony Luck , James Morse , Robert Richter , Joel Stanley , Andrew Jeffery , Tero Kristo , linux-edac@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] EDAC/aspeed: Fix handling of platform_get_irq() error Date: Thu, 27 Aug 2020 09:07:42 +0200 Message-Id: <20200827070743.26628-1-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200827_030752_687831_93AEB1E6 X-CRM114-Status: GOOD ( 15.20 ) X-Spam-Score: -6.2 (------) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-6.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -1.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Krzysztof Kozlowski MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org platform_get_irq() returns -ERRNO on error. In such case comparison to 0 would pass the check. Fixes: 9b7e6242ee4e ("EDAC, aspeed: Add an Aspeed AST2500 EDAC driver") Signed-off-by: Krzysztof Kozlowski Reviewed-by: Stefan Schaeckeler --- drivers/edac/aspeed_edac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/edac/aspeed_edac.c b/drivers/edac/aspeed_edac.c index b194658b8b5c..fbec28dc661d 100644 --- a/drivers/edac/aspeed_edac.c +++ b/drivers/edac/aspeed_edac.c @@ -209,8 +209,8 @@ static int config_irq(void *ctx, struct platform_device *pdev) /* register interrupt handler */ irq = platform_get_irq(pdev, 0); dev_dbg(&pdev->dev, "got irq %d\n", irq); - if (!irq) - return -ENODEV; + if (irq < 0) + return irq; rc = devm_request_irq(&pdev->dev, irq, mcr_isr, IRQF_TRIGGER_HIGH, DRV_NAME, ctx);