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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 86977C43610 for ; Wed, 21 Nov 2018 09:54:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 492F121479 for ; Wed, 21 Nov 2018 09:54:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="WHrs5Fgo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 492F121479 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=163.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729103AbeKUU2o (ORCPT ); Wed, 21 Nov 2018 15:28:44 -0500 Received: from m12-11.163.com ([220.181.12.11]:60688 "EHLO m12-11.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726001AbeKUU2n (ORCPT ); Wed, 21 Nov 2018 15:28:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=PEt/7/vEcPWJBbY9lN VmnMzWQFEARF8oSnu621UdFhM=; b=WHrs5FgoT8Z28kMSz0MVRBlme5uesfIFOB dXzumylYgM5Pn2MLkZuc2pZc2Mu+PI7dnk+AzhOMPh/58DPVSUCalbHJkNvM1u5m CJzMiHVoqfmRd716Mj7yjZqBOcUg5Guzm9jQRevafifpcB6Oev/P+OVkwS60lIdE g/36FjFwM= Received: from bp.localdomain (unknown [106.120.213.96]) by smtp7 (Coremail) with SMTP id C8CowACXpVAoK_Vb+kHtBA--.4484S3; Wed, 21 Nov 2018 17:54:18 +0800 (CST) From: Pan Bian To: David Woodhouse , Joerg Roedel Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH] iommu: use memunmap to free memremap Date: Wed, 21 Nov 2018 17:53:47 +0800 Message-Id: <1542794027-93141-1-git-send-email-bianpan2016@163.com> X-Mailer: git-send-email 2.7.4 X-CM-TRANSID: C8CowACXpVAoK_Vb+kHtBA--.4484S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrZry3CF4Dur43Wr15XrW3GFg_yoWxAFcEgF 40vF4Iqr90vFWrZF1ayF9xZryqkw15uFZ3uFW8KFyayw4q9Fn7CFs5Zr4kXay3GrWUJF98 tr4vyF4xAryxXjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU5znQUUUUUU== X-Originating-IP: [106.120.213.96] X-CM-SenderInfo: held01tdqsiiqw6rljoofrz/xtbBzwoGclaD0W5JawAAs5 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org memunmap() should be used to free the return of memremap(), not iounmap(). Fixes: dfddb969edf0("iommu/vt-d: Switch from ioremap_cache to memremap") Signed-off-by: Pan Bian --- drivers/iommu/intel-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index f3ccf02..41a4b88 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3075,7 +3075,7 @@ static int copy_context_table(struct intel_iommu *iommu, } if (old_ce) - iounmap(old_ce); + memunmap(old_ce); ret = 0; if (devfn < 0x80) -- 2.7.4