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GET /api/patches/653455/?format=api
{ "id": 653455, "url": "http://patchwork.ozlabs.org/api/patches/653455/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1469646161-30024-2-git-send-email-bimmy.pujari@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1469646161-30024-2-git-send-email-bimmy.pujari@intel.com>", "list_archive_url": null, "date": "2016-07-27T19:02:30", "name": "[next,S40-V2,01/12] i40e: Fix a bug where a client close can be called before an open is complete", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "3f96296413b631e4ba1ac21fbdb6c9cc273d35b1", "submitter": { "id": 68919, "url": "http://patchwork.ozlabs.org/api/people/68919/?format=api", "name": "Pujari, Bimmy", "email": "bimmy.pujari@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1469646161-30024-2-git-send-email-bimmy.pujari@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/653455/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/653455/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Received": [ "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3s04B52k6sz9t1t\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 28 Jul 2016 05:02:37 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id E78C63128D;\n\tWed, 27 Jul 2016 19:02:35 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 1+U+6LuVtSGY; Wed, 27 Jul 2016 19:02:33 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby silver.osuosl.org (Postfix) with ESMTP id D721331249;\n\tWed, 27 Jul 2016 19:02:31 +0000 (UTC)", "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\tby ash.osuosl.org (Postfix) with ESMTP id DC2751C1774\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 27 Jul 2016 19:02:30 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id D63B62F53B\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 27 Jul 2016 19:02:30 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id xSnpp5r30KtV for <intel-wired-lan@lists.osuosl.org>;\n\tWed, 27 Jul 2016 19:02:29 +0000 (UTC)", "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n\tby silver.osuosl.org (Postfix) with ESMTP id 91C902FB5D\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 27 Jul 2016 19:02:29 +0000 (UTC)", "from orsmga003.jf.intel.com ([10.7.209.27])\n\tby orsmga103.jf.intel.com with ESMTP; 27 Jul 2016 12:02:08 -0700", "from bimmy.jf.intel.com (HELO bimmy.linux1.jf.intel.com)\n\t([134.134.2.177])\n\tby orsmga003.jf.intel.com with ESMTP; 27 Jul 2016 12:02:08 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.28,430,1464678000\"; d=\"scan'208\";a=\"854734985\"", "From": "Bimmy Pujari <bimmy.pujari@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Wed, 27 Jul 2016 12:02:30 -0700", "Message-Id": "<1469646161-30024-2-git-send-email-bimmy.pujari@intel.com>", "X-Mailer": "git-send-email 2.4.11", "In-Reply-To": "<1469646161-30024-1-git-send-email-bimmy.pujari@intel.com>", "References": "<1469646161-30024-1-git-send-email-bimmy.pujari@intel.com>", "Subject": "[Intel-wired-lan] [next PATCH S40-V2 01/12] i40e: Fix a bug where a\n\tclient close can be called before an open is complete", "X-BeenThere": "intel-wired-lan@lists.osuosl.org", "X-Mailman-Version": "2.1.18-1", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>", "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>", "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>" }, "content": "From: Anjali Singhai Jain <anjali.singhai@intel.com>\n\nThe client->open call in this path was not protected with the\nclient instance mutex, and hence the client->close can get initiated\nbefore the open completes.\n\nSigned-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>\nChange-Id: I0ed60c38868dd3f44966b6ed49a063d0e5b7edf5\n---\n drivers/net/ethernet/intel/i40e/i40e_client.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_client.c b/drivers/net/ethernet/intel/i40e/i40e_client.c\nindex e1370c5..e14f041 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_client.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_client.c\n@@ -541,6 +541,7 @@ void i40e_client_subtask(struct i40e_pf *pf)\n \t\t\t client->name, pf->hw.pf_id,\n \t\t\t pf->hw.bus.device, pf->hw.bus.func);\n \n+\t\tmutex_lock(&i40e_client_instance_mutex);\n \t\t/* Send an Open request to the client */\n \t\tatomic_inc(&cdev->ref_cnt);\n \t\tif (client->ops && client->ops->open)\n@@ -554,6 +555,7 @@ void i40e_client_subtask(struct i40e_pf *pf)\n \t\t\tatomic_dec(&client->ref_cnt);\n \t\t\tcontinue;\n \t\t}\n+\t\tmutex_unlock(&i40e_client_instance_mutex);\n \t}\n \tmutex_unlock(&i40e_client_mutex);\n }\n", "prefixes": [ "next", "S40-V2", "01/12" ] }