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GET /api/patches/809984/?format=api
{ "id": 809984, "url": "http://patchwork.ozlabs.org/api/patches/809984/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20170905081029.19769-7-mperttunen@nvidia.com/", "project": { "id": 21, "url": "http://patchwork.ozlabs.org/api/projects/21/?format=api", "name": "Linux Tegra Development", "link_name": "linux-tegra", "list_id": "linux-tegra.vger.kernel.org", "list_email": "linux-tegra@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170905081029.19769-7-mperttunen@nvidia.com>", "list_archive_url": null, "date": "2017-09-05T08:10:29", "name": "[v2,6/6] drm/tegra: Use u64_to_user_ptr helper", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "892573b272abea42d050c7db2bb3145087cfbe30", "submitter": { "id": 26499, "url": "http://patchwork.ozlabs.org/api/people/26499/?format=api", "name": "Mikko Perttunen", "email": "mperttunen@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20170905081029.19769-7-mperttunen@nvidia.com/mbox/", "series": [ { "id": 1506, "url": "http://patchwork.ozlabs.org/api/series/1506/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/list/?series=1506", "date": "2017-09-05T08:10:29", "name": "Miscellaneous improvements to Host1x and TegraDRM", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/1506/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/809984/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/809984/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-tegra-owner@vger.kernel.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=linux-tegra-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tsecure) header.d=kapsi.fi header.i=@kapsi.fi header.b=\"P1UnQIKk\";\n\tdkim-atps=neutral" ], "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xmfXz2RMYz9s7c\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 5 Sep 2017 18:10:43 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751434AbdIEIKl (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);\n\tTue, 5 Sep 2017 04:10:41 -0400", "from mail.kapsi.fi ([91.232.154.25]:40621 \"EHLO mail.kapsi.fi\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1750766AbdIEIKk (ORCPT <rfc822;linux-tegra@vger.kernel.org>);\n\tTue, 5 Sep 2017 04:10:40 -0400", "from dsl-hkibng41-567306-181.dhcp.inet.fi ([86.115.6.181]\n\thelo=localhost.localdomain) by mail.kapsi.fi with esmtpsa\n\t(TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2)\n\t(envelope-from <mperttunen@nvidia.com>)\n\tid 1dp8wN-0001nH-QJ; Tue, 05 Sep 2017 11:10:35 +0300" ], "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kapsi.fi;\n\ts=20161220; \n\th=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From;\n\tbh=sF32DScfAjpNTX5bQQhwxnQ42/19YL0u6535lXZMypg=; \n\tb=P1UnQIKkLsMqtDiSigHVSOf1pUimuGmp7+20me4JcyeXeGsElEyQnd9TeZWdgMtFTf6vHcRMiTO16MPBySgET9Xfnr5Ebf9oT35VF4unawvQwGo8McKMheiwZ35dnP08INwxt5QiafYLT0xRLzBPnQd7of+h8L/T0eTFgjw1OM+1k7QwF5GXJ/oqkYWf+UUNgJgcFpikZYlD8knXVDprtmC/doO/aTHbppEH1Bpx7VBc1ndyfZ61Z2mGqK1cWoIKS71Z2YqQ33JOuZzKdE2PChNPu5bfFhFNGPzu3MhnApcfgcy1kXOgrU7eNPrWQC2fSK4qQ5MUANZIFoIvY5bnag==;", "From": "Mikko Perttunen <mperttunen@nvidia.com>", "To": "thierry.reding@gmail.com, jonathanh@nvidia.com", "Cc": "digetx@gmail.com, dri-devel@lists.freedesktop.org,\n\tlinux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,\n\tMikko Perttunen <mperttunen@nvidia.com>", "Subject": "[PATCH v2 6/6] drm/tegra: Use u64_to_user_ptr helper", "Date": "Tue, 5 Sep 2017 11:10:29 +0300", "Message-Id": "<20170905081029.19769-7-mperttunen@nvidia.com>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170905081029.19769-1-mperttunen@nvidia.com>", "References": "<20170905081029.19769-1-mperttunen@nvidia.com>", "X-SA-Exim-Connect-IP": "86.115.6.181", "X-SA-Exim-Mail-From": "mperttunen@nvidia.com", "X-SA-Exim-Scanned": "No (on mail.kapsi.fi); SAEximRunCond expanded to false", "Sender": "linux-tegra-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<linux-tegra.vger.kernel.org>", "X-Mailing-List": "linux-tegra@vger.kernel.org" }, "content": "Use the u64_to_user_ptr helper macro to cast IOCTL argument u64 values\nto user pointers instead of writing out the cast manually.\n\nSigned-off-by: Mikko Perttunen <mperttunen@nvidia.com>\n---\n drivers/gpu/drm/tegra/drm.c | 18 ++++++++++--------\n 1 file changed, 10 insertions(+), 8 deletions(-)", "diff": "diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c\nindex e3331a2bc082..72d5c0021540 100644\n--- a/drivers/gpu/drm/tegra/drm.c\n+++ b/drivers/gpu/drm/tegra/drm.c\n@@ -388,18 +388,21 @@ int tegra_drm_submit(struct tegra_drm_context *context,\n \tunsigned int num_cmdbufs = args->num_cmdbufs;\n \tunsigned int num_relocs = args->num_relocs;\n \tunsigned int num_waitchks = args->num_waitchks;\n-\tstruct drm_tegra_cmdbuf __user *cmdbufs =\n-\t\t(void __user *)(uintptr_t)args->cmdbufs;\n-\tstruct drm_tegra_reloc __user *relocs =\n-\t\t(void __user *)(uintptr_t)args->relocs;\n-\tstruct drm_tegra_waitchk __user *waitchks =\n-\t\t(void __user *)(uintptr_t)args->waitchks;\n+\tstruct drm_tegra_cmdbuf __user *cmdbufs;\n+\tstruct drm_tegra_reloc __user *relocs;\n+\tstruct drm_tegra_waitchk __user *waitchks;\n+\tstruct drm_tegra_syncpt __user *user_syncpt;\n \tstruct drm_tegra_syncpt syncpt;\n \tstruct host1x *host1x = dev_get_drvdata(drm->dev->parent);\n \tstruct host1x_syncpt *sp;\n \tstruct host1x_job *job;\n \tint err;\n \n+\tcmdbufs = u64_to_user_ptr(args->cmdbufs);\n+\trelocs = u64_to_user_ptr(args->relocs);\n+\twaitchks = u64_to_user_ptr(args->waitchks);\n+\tuser_syncpt = u64_to_user_ptr(args->syncpts);\n+\n \t/* We don't yet support other than one syncpt_incr struct per submit */\n \tif (args->num_syncpts != 1)\n \t\treturn -EINVAL;\n@@ -520,8 +523,7 @@ int tegra_drm_submit(struct tegra_drm_context *context,\n \t\t}\n \t}\n \n-\tif (copy_from_user(&syncpt, (void __user *)(uintptr_t)args->syncpts,\n-\t\t\t sizeof(syncpt))) {\n+\tif (copy_from_user(&syncpt, user_syncpt, sizeof(syncpt))) {\n \t\terr = -EFAULT;\n \t\tgoto fail;\n \t}\n", "prefixes": [ "v2", "6/6" ] }