From patchwork Thu Apr 16 13:24:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 227688 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 30D83C2BB55 for ; Thu, 16 Apr 2020 15:07:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9C3220774 for ; Thu, 16 Apr 2020 15:07:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587049671; bh=cj9k2hAYAxhpwnoNJGeoddNVllBSWZVfbFc0dQYDt/U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=grsZNTI5ti4TDLQ2pF9BjwmGXLJ9cZQdwDuzyuyhviLuWPJDyVVE/zeYPr0NHeqJz t1aQnYBomIS061YbRvi54RHfkpJBzAVZY4JgoFsIeStp7339MRzLsimlwHQdFWBgtg LWbk9g1Z6gFNc9zS0VT4R7YM2f5ihoLKmrfFcnGY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2440396AbgDPPHj (ORCPT ); Thu, 16 Apr 2020 11:07:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:37506 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388888AbgDPNvW (ORCPT ); Thu, 16 Apr 2020 09:51:22 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 EF2312078B; Thu, 16 Apr 2020 13:51:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587045082; bh=cj9k2hAYAxhpwnoNJGeoddNVllBSWZVfbFc0dQYDt/U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=esEF4noHSO+Un//p2n7KYbytxCCWqk66unn5XLMsvMw2wE9g8IdP6Lw6qRLjUYUbU dmlb8bMFJJNvPni/WV8iTc+jWzW3dFGtkx6a59eGc49GfpI+DxaSuKySL32waCigrI rt4UDyFkYVi8kX0BDGuP7PLnbG8EfmGaLXBxUu2w= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Eric Auger , Andre Przywara , Alex Williamson Subject: [PATCH 5.4 182/232] vfio: platform: Switch to platform_get_irq_optional() Date: Thu, 16 Apr 2020 15:24:36 +0200 Message-Id: <20200416131337.861347073@linuxfoundation.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200416131316.640996080@linuxfoundation.org> References: <20200416131316.640996080@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Eric Auger commit 723fe298ad85ad1278bd2312469ad14738953cc6 upstream. Since commit 7723f4c5ecdb ("driver core: platform: Add an error message to platform_get_irq*()"), platform_get_irq() calls dev_err() on an error. As we enumerate all interrupts until platform_get_irq() fails, we now systematically get a message such as: "vfio-platform fff51000.ethernet: IRQ index 3 not found" which is a false positive. Let's use platform_get_irq_optional() instead. Signed-off-by: Eric Auger Cc: stable@vger.kernel.org # v5.3+ Reviewed-by: Andre Przywara Tested-by: Andre Przywara Signed-off-by: Alex Williamson Signed-off-by: Greg Kroah-Hartman --- drivers/vfio/platform/vfio_platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/vfio/platform/vfio_platform.c +++ b/drivers/vfio/platform/vfio_platform.c @@ -44,7 +44,7 @@ static int get_platform_irq(struct vfio_ { struct platform_device *pdev = (struct platform_device *) vdev->opaque; - return platform_get_irq(pdev, i); + return platform_get_irq_optional(pdev, i); } static int vfio_platform_probe(struct platform_device *pdev)