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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 C56CFC433E0 for ; Sat, 30 May 2020 06:59:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98B5220776 for ; Sat, 30 May 2020 06:59:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590821985; bh=ZKvnU11AYCI4nr14Od48MkcRV6UFQGKSgsFvtzY9Xzo=; h=From:Cc:Subject:Date:In-Reply-To:References:To:List-ID:From; b=U185yxyBKBF7j99Qsu8SN+AqH8CbAbuSnAdRrUUjKa0bfXgaFLI5q9vNhbxe8o3/Z Uw3ZO+kNYgTXJ1PqxLdbSNPqDnMk2ew+owStJUg2dFwildh7SBE5fQbQSnoAMbnf8P /18IdNV+HiG///1GO0IL7oa7QjxpB2vP9JxTsNBg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729321AbgE3G7o (ORCPT ); Sat, 30 May 2020 02:59:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:44864 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728724AbgE3G4F (ORCPT ); Sat, 30 May 2020 02:56:05 -0400 Received: from mail.kernel.org (ip5f5ad5c5.dynamic.kabel-deutschland.de [95.90.213.197]) (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 08940208B8; Sat, 30 May 2020 06:56:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590821763; bh=ZKvnU11AYCI4nr14Od48MkcRV6UFQGKSgsFvtzY9Xzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yUznQc82sbf5xYVSO4LeahswM9GmDTTM4zQhXJPWzwNIq+zmxVzJdsDQlDGNplpk+ AfSVB0QocMkcb+gXDE1X4ykfwluWi3Itx7xnTLWj0zGk2SgX9m7fnN1tjkETLW8DPp KYXYlH64SKIwflSR9vHzkFqvtaGumOa2ms29H0Lg= Received: from mchehab by mail.kernel.org with local (Exim 4.93) (envelope-from ) id 1jevPU-001hom-Tz; Sat, 30 May 2020 08:56:00 +0200 From: Mauro Carvalho Chehab Cc: Mauro Carvalho Chehab , Sakari Ailus , Greg Kroah-Hartman , linux-media@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 09/41] media: atomisp: hmm_bo: untag user pointers Date: Sat, 30 May 2020 08:55:26 +0200 Message-Id: <5ec48b790129c5559aa8a2e41f13a12ba9b7d38e.1590821410.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The kernel ABI was extended to allow pass tagged user pointers. Untag the pointers in this function. Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/atomisp/pci/hmm/hmm_bo.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c index 492b76c29490..6fce8c95be1d 100644 --- a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c +++ b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c @@ -997,6 +997,9 @@ static int alloc_user_pages(struct hmm_buffer_object *bo, * Handle frame buffer allocated in other kerenl space driver * and map to user space */ + + userptr = untagged_addr(userptr); + if (vma->vm_flags & (VM_IO | VM_PFNMAP)) { page_nr = get_pfnmap_pages(current, current->mm, (unsigned long)userptr, -- 2.26.2