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,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 BDF70C433E1 for ; Thu, 20 Aug 2020 10:13:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E91A206DA for ; Thu, 20 Aug 2020 10:13:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597918431; bh=j7dy0bSZdJMy0fQ8xfWCUsGcJ0bQlI1YyTEiGg3ult0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Zq+2Pqxe0HeRwMUgXy/Nx1QvfXEknK4pWEw9BqMczza4TSTZIgE0mG3x/SXxNvDYH 6UW4oLiS0c63oQsLLrTMO/KOUi0SXAh8lOgt2pIq0jvegoEVhwrXWAvhdJTQON9D+z EsMhMi3TwJfQJu81+ixjixx1ebb1+Zi8MBE8dLr4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731054AbgHTKNs (ORCPT ); Thu, 20 Aug 2020 06:13:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:56684 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731026AbgHTKNK (ORCPT ); Thu, 20 Aug 2020 06:13:10 -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 1FC8020724; Thu, 20 Aug 2020 10:13:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597918389; bh=j7dy0bSZdJMy0fQ8xfWCUsGcJ0bQlI1YyTEiGg3ult0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d42NyCBxsgZjexirkAop6GJeTgyrWzaAeLGe1fxEPcCc18lz9iMtoQkcnjcOPXfLF jtLcMT9rC6P3C5hCvATkp9giLUpeVjdovzGWj74RzYoz/8hauz9CCEp8jBwSzuoRLp 12gEuV68RxJps09YV3S+CZtsLoI2F7v7FaIld5TQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hanjun Guo , Bjorn Helgaas , Sasha Levin Subject: [PATCH 4.14 122/228] PCI: Release IVRS table in AMD ACS quirk Date: Thu, 20 Aug 2020 11:21:37 +0200 Message-Id: <20200820091613.689102252@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200820091607.532711107@linuxfoundation.org> References: <20200820091607.532711107@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hanjun Guo [ Upstream commit 090688fa4e448284aaa16136372397d7d10814db ] The acpi_get_table() should be coupled with acpi_put_table() if the mapped table is not used at runtime to release the table mapping. In pci_quirk_amd_sb_acs(), IVRS table is just used for checking AMD IOMMU is supported, not used at runtime, so put the table after using it. Fixes: 15b100dfd1c9 ("PCI: Claim ACS support for AMD southbridge devices") Link: https://lore.kernel.org/r/1595411068-15440-1-git-send-email-guohanjun@huawei.com Signed-off-by: Hanjun Guo Signed-off-by: Bjorn Helgaas Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 243b16ce0c8eb..da790f26d2950 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4307,6 +4307,8 @@ static int pci_quirk_amd_sb_acs(struct pci_dev *dev, u16 acs_flags) if (ACPI_FAILURE(status)) return -ENODEV; + acpi_put_table(header); + /* Filter out flags not applicable to multifunction */ acs_flags &= (PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_EC | PCI_ACS_DT); -- 2.25.1