From patchwork Mon Sep 21 16:26:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "gregkh@linuxfoundation.org" X-Patchwork-Id: 309313 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=-14.2 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 48DFBC43468 for ; Mon, 21 Sep 2020 17:03:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04AB3206BE for ; Mon, 21 Sep 2020 17:03:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600707827; bh=3st5nF5UcQ80yr/lcX3pOnZPlbiq4npcK9jsNL3vzmI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OS3aZel6DnIRozi7m46e8J4odZ6Pso7TiNA3iE8CedzSkRcnp/v6PeQxOFbD+NJiP aIE06dBwhRGALcKzKcH039T0/pt82Cx1+bfOJSsjZuE03CpQmVLiBfKP/FjVTW4rov ubRTO53mIA38wgqv/mpZ4HePxpFLxdT82rW3sTKU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728161AbgIURDn (ORCPT ); Mon, 21 Sep 2020 13:03:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:36792 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728476AbgIUQgt (ORCPT ); Mon, 21 Sep 2020 12:36:49 -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 004CE206B7; Mon, 21 Sep 2020 16:36:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600706209; bh=3st5nF5UcQ80yr/lcX3pOnZPlbiq4npcK9jsNL3vzmI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vJsIbk/J+7BwxZGL0zEG1mhECRWPPSPfq7hhuIA31i2rTCXUs9Mz3CjbFXcjjhH2w ga9WHQmt2ooK5jrviGcR+pEnGj0tptqKPlLgIcsuJEz/lzxZ81FQ7I4cGNJWELpPlF ekpTnfC37qAzjo9AnJ3PDCCaV5ZXXuejP6ULdtSU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hanjun Guo , Vinod Koul , Sasha Levin Subject: [PATCH 4.14 10/94] dmaengine: acpi: Put the CSRT table after using it Date: Mon, 21 Sep 2020 18:26:57 +0200 Message-Id: <20200921162036.019702560@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200921162035.541285330@linuxfoundation.org> References: <20200921162035.541285330@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Hanjun Guo [ Upstream commit 7eb48dd094de5fe0e216b550e73aa85257903973 ] 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, put the CSRT table buf after using it. Signed-off-by: Hanjun Guo Link: https://lore.kernel.org/r/1595411661-15936-1-git-send-email-guohanjun@huawei.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/acpi-dma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c index 4a748c3435d7d..8d99c84361cbb 100644 --- a/drivers/dma/acpi-dma.c +++ b/drivers/dma/acpi-dma.c @@ -131,11 +131,13 @@ static void acpi_dma_parse_csrt(struct acpi_device *adev, struct acpi_dma *adma) if (ret < 0) { dev_warn(&adev->dev, "error in parsing resource group\n"); - return; + break; } grp = (struct acpi_csrt_group *)((void *)grp + grp->length); } + + acpi_put_table((struct acpi_table_header *)csrt); } /**