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GET /api/patches/546648/?format=api
{ "id": 546648, "url": "http://patchwork.ozlabs.org/api/patches/546648/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1447961665-12344-6-git-send-email-deepthi.kavalur@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": "<1447961665-12344-6-git-send-email-deepthi.kavalur@intel.com>", "list_archive_url": null, "date": "2015-11-19T19:34:18", "name": "[V3:,next,S22,05/12] i40evf: check rings before freeing resources", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "64dd5c2ec5ed174f5fb35652eba4710379c8b281", "submitter": { "id": 67654, "url": "http://patchwork.ozlabs.org/api/people/67654/?format=api", "name": "Deepthi Kavalur", "email": "deepthi.kavalur@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/1447961665-12344-6-git-send-email-deepthi.kavalur@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/546648/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/546648/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 whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\tby ozlabs.org (Postfix) with ESMTP id 808FF1414C0\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 20 Nov 2015 06:34:36 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id CD1858BF36;\n\tThu, 19 Nov 2015 19:34:35 +0000 (UTC)", "from whitealder.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id tLFbsOtzWBhH; Thu, 19 Nov 2015 19:34:34 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id A6269889B4;\n\tThu, 19 Nov 2015 19:34:32 +0000 (UTC)", "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\tby ash.osuosl.org (Postfix) with ESMTP id 7CD0D1C1641\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 19 Nov 2015 19:34:28 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 7AD2D94554\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 19 Nov 2015 19:34:28 +0000 (UTC)", "from hemlock.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id H0pfPw7ck-yL for <intel-wired-lan@lists.osuosl.org>;\n\tThu, 19 Nov 2015 19:34:27 +0000 (UTC)", "from mga09.intel.com (mga09.intel.com [134.134.136.24])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id DFBE494C43\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 19 Nov 2015 19:34:26 +0000 (UTC)", "from fmsmga001.fm.intel.com ([10.253.24.23])\n\tby orsmga102.jf.intel.com with ESMTP; 19 Nov 2015 11:34:28 -0800", "from dkavalur-mobl.amr.corp.intel.com (HELO\n\tlocalhost.localdomain.localdomain) ([134.134.176.88])\n\tby fmsmga001.fm.intel.com with ESMTP; 19 Nov 2015 11:34:26 -0800" ], "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=\"5.20,318,1444719600\"; d=\"scan'208\";a=\"842678111\"", "From": "Deepthi Kavalur <deepthi.kavalur@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Thu, 19 Nov 2015 11:34:18 -0800", "Message-Id": "<1447961665-12344-6-git-send-email-deepthi.kavalur@intel.com>", "X-Mailer": "git-send-email 2.1.0", "In-Reply-To": "<1447961665-12344-1-git-send-email-deepthi.kavalur@intel.com>", "References": "<1447961665-12344-1-git-send-email-deepthi.kavalur@intel.com>", "Subject": "[Intel-wired-lan] [V3: next PATCH S22 05/12] i40evf: check rings\n\tbefore freeing resources", "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: Mitch Williams <mitch.a.williams@intel.com>\n\nIf the driver gets unloaded during reset recovery, it's possible\nthat it will attempt to free resources when they're already free.\n\nAdd a check to make sure that the tx and rx rings actually exist\nbefore dereferencing them to free resources.\n\nSigned-off-by: Mitch Williams <mitch.a.williams@intel.com>\nChange-ID: I4d2b7e9ede49f634d421a4c5deaa5446bc755eee\n---\n drivers/net/ethernet/intel/i40evf/i40evf_main.c | 6 ++++++\n 1 file changed, 6 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c\nindex 7e207ed..8a3ed2c 100644\n--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c\n+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c\n@@ -2034,6 +2034,9 @@ void i40evf_free_all_tx_resources(struct i40evf_adapter *adapter)\n {\n \tint i;\n \n+\tif (!adapter->tx_rings)\n+\t\treturn;\n+\n \tfor (i = 0; i < adapter->num_active_queues; i++)\n \t\tif (adapter->tx_rings[i].desc)\n \t\t\ti40evf_free_tx_resources(&adapter->tx_rings[i]);\n@@ -2102,6 +2105,9 @@ void i40evf_free_all_rx_resources(struct i40evf_adapter *adapter)\n {\n \tint i;\n \n+\tif (!adapter->rx_rings)\n+\t\treturn;\n+\n \tfor (i = 0; i < adapter->num_active_queues; i++)\n \t\tif (adapter->rx_rings[i].desc)\n \t\t\ti40evf_free_rx_resources(&adapter->rx_rings[i]);\n", "prefixes": [ "V3:", "next", "S22", "05/12" ] }