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GET /api/patches/676453/?format=api
{ "id": 676453, "url": "http://patchwork.ozlabs.org/api/patches/676453/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/147510220328.65927.12326717639568004933.stgit@mdrustad-wks.jf.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": "<147510220328.65927.12326717639568004933.stgit@mdrustad-wks.jf.intel.com>", "list_archive_url": null, "date": "2016-09-28T22:36:43", "name": "ixgbevf: Handle previously-freed msix_entries", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "5b8927f053fb5e4e4a36b5568ff8b79bed42e191", "submitter": { "id": 13252, "url": "http://patchwork.ozlabs.org/api/people/13252/?format=api", "name": "Rustad, Mark D", "email": "mark.d.rustad@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/147510220328.65927.12326717639568004933.stgit@mdrustad-wks.jf.intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/676453/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/676453/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 hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\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 3sksy725fwz9ssP\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 29 Sep 2016 08:36:47 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id D0BDF939E0;\n\tWed, 28 Sep 2016 22:36:45 +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 pq89ONCQa3Yt; Wed, 28 Sep 2016 22:36:45 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 5787C939D9;\n\tWed, 28 Sep 2016 22:36:45 +0000 (UTC)", "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\tby ash.osuosl.org (Postfix) with ESMTP id 680891C1EE6\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 28 Sep 2016 22:36:44 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id 62643863CF\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 28 Sep 2016 22:36:44 +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 OQZJpNvFvTp7 for <intel-wired-lan@lists.osuosl.org>;\n\tWed, 28 Sep 2016 22:36:43 +0000 (UTC)", "from mga14.intel.com (mga14.intel.com [192.55.52.115])\n\tby whitealder.osuosl.org (Postfix) with ESMTPS id C7CDD8963F\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 28 Sep 2016 22:36:43 +0000 (UTC)", "from fmsmga005.fm.intel.com ([10.253.24.32])\n\tby fmsmga103.fm.intel.com with ESMTP; 28 Sep 2016 15:36:43 -0700", "from mdrustad-wks.jf.intel.com ([134.134.3.111])\n\tby fmsmga005.fm.intel.com with ESMTP; 28 Sep 2016 15:36:43 -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=\"5.30,411,1470726000\"; d=\"scan'208\";a=\"14311970\"", "From": "Mark D Rustad <mark.d.rustad@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Wed, 28 Sep 2016 15:36:43 -0700", "Message-ID": "<147510220328.65927.12326717639568004933.stgit@mdrustad-wks.jf.intel.com>", "User-Agent": "StGit/unknown-version", "MIME-Version": "1.0", "Subject": "[Intel-wired-lan] [PATCH] ixgbevf: Handle previously-freed\n\tmsix_entries", "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>", "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": "The msix_entries memory can be freed by a previous suspend or\nremove, so don't crash on close when it isn't there.\n\nSigned-off-by: Mark Rustad <mark.d.rustad@intel.com>\n---\n drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 6 ++++++\n 1 file changed, 6 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c\nindex 7eaac3234049..4b018890840d 100644\n--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c\n+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c\n@@ -1498,6 +1498,9 @@ static void ixgbevf_free_irq(struct ixgbevf_adapter *adapter)\n {\n \tint i, q_vectors;\n \n+\tif (!adapter->msix_entries)\n+\t\treturn;\n+\n \tq_vectors = adapter->num_msix_vectors;\n \ti = q_vectors - 1;\n \n@@ -2552,6 +2555,9 @@ static void ixgbevf_free_q_vectors(struct ixgbevf_adapter *adapter)\n **/\n static void ixgbevf_reset_interrupt_capability(struct ixgbevf_adapter *adapter)\n {\n+\tif (!adapter->msix_entries)\n+\t\treturn;\n+\n \tpci_disable_msix(adapter->pdev);\n \tkfree(adapter->msix_entries);\n \tadapter->msix_entries = NULL;\n", "prefixes": [] }