From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 1468C2BDD for ; Mon, 7 Mar 2016 12:40:44 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP; 07 Mar 2016 03:40:43 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,551,1449561600"; d="scan'208";a="931278372" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga002.fm.intel.com with ESMTP; 07 Mar 2016 03:40:43 -0800 Received: from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com [10.237.217.45]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id u27Beg8X017650; Mon, 7 Mar 2016 11:40:42 GMT Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1]) by sivswdev01.ir.intel.com with ESMTP id u27BegFx029460; Mon, 7 Mar 2016 11:40:42 GMT Received: (from bairemon@localhost) by sivswdev01.ir.intel.com with id u27Begrc029456; Mon, 7 Mar 2016 11:40:42 GMT From: Bernard Iremonger To: dev@dpdk.org Date: Mon, 7 Mar 2016 11:40:40 +0000 Message-Id: <1457350840-29426-1-git-send-email-bernard.iremonger@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1456229580-25009-1-git-send-email-bernard.iremonger@intel.com> References: <1456229580-25009-1-git-send-email-bernard.iremonger@intel.com> Subject: [dpdk-dev] [PATCH v2] bonding: fix crash when no slave devices X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Mar 2016 11:40:45 -0000 If a bonded device is created when there are no slave devices there is loop in bond_ethdev_promiscous_enable() which results in a segmentation fault. The solution is to initialise the current_primary_port to an invalid port value when the bonded port is created. Fixes: 2efb58cbab6e ("bond: new link bonding library") Signed-off-by: Bernard Iremonger --- Changes in V2: Set current_primary_port to an invalid value. drivers/net/bonding/rte_eth_bond_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/bonding/rte_eth_bond_api.c b/drivers/net/bonding/rte_eth_bond_api.c index a0995ec..1d67a0c 100644 --- a/drivers/net/bonding/rte_eth_bond_api.c +++ b/drivers/net/bonding/rte_eth_bond_api.c @@ -231,7 +231,7 @@ rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id) internals->port_id = eth_dev->data->port_id; internals->mode = BONDING_MODE_INVALID; - internals->current_primary_port = 0; + internals->current_primary_port = RTE_MAX_ETHPORTS + 1; internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2; internals->xmit_hash = xmit_l2_hash; internals->user_defined_mac = 0; -- 2.6.3