From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 014F6A00C4; Mon, 11 Apr 2022 10:43:46 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E6B6A40685; Mon, 11 Apr 2022 10:43:45 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by mails.dpdk.org (Postfix) with ESMTP id 11CFD4067B for ; Mon, 11 Apr 2022 10:43:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1649666624; x=1681202624; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=yZHbp8j6cGnMCAptb++qwAUjge7rmomjjpsV9qcRlCw=; b=jIMxlfX5AeAbrOllxrgKyYbfSwJbGbRyJMHhFBiQbNiQl/Ucpsvdvn1G jsxEGGZZlQP2tzIN0BfpbbwQS3iYXUBSFEGWWN/DiS7NYl1UW12baMy6b ZuTtvQTknfrXUVQfW+2Jr1g56wLvmBpKa1gtyxOnv7yNR9cMVv7mAifMz OFoyG7SnNZA/1jIyLkNM8SirzBYJB4MtihbfLqdm/ar227Cgoou3v01jP VlNEcWsiEt9wxXh46Ho7GnKrbHDmUEaVXwcol6kSJ4PZl/VUlQbsIsAp7 8FNKsPE2sOMd2fGbh4ti7gdkpcrLzwzZjjtoT/k4bZQA+bzlqDpRk4pqQ A==; X-IronPort-AV: E=McAfee;i="6400,9594,10313"; a="324980684" X-IronPort-AV: E=Sophos;i="5.90,251,1643702400"; d="scan'208";a="324980684" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Apr 2022 01:43:43 -0700 X-IronPort-AV: E=Sophos;i="5.90,251,1643702400"; d="scan'208";a="699295602" Received: from unknown (HELO localhost.localdomain) ([10.239.251.55]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Apr 2022 01:43:40 -0700 From: Yuan Wang To: maxime.coquelin@redhat.com, chenbo.xia@intel.com Cc: dev@dpdk.org, jiayu.hu@intel.com, xingguang.he@intel.com, yuanx.wang@intel.com Subject: [PATCH] examples/vhost: fix floating point exception when there is no VMDQ Date: Tue, 12 Apr 2022 00:34:51 +0800 Message-Id: <20220411163451.572814-1-yuanx.wang@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org If the VMDQ limits is 0, a divide-by-zero error occurs. This patch replaces throwing a floating point exception with a normal error message. Signed-off-by: Yuan Wang --- examples/vhost/main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/examples/vhost/main.c b/examples/vhost/main.c index d94fabb060..815ac1cd57 100644 --- a/examples/vhost/main.c +++ b/examples/vhost/main.c @@ -400,6 +400,10 @@ port_init(uint16_t port) return retval; } + if (dev_info.max_vmdq_pools == 0) { + RTE_LOG(ERR, VHOST_PORT, "Failed to get VMDQ info.\n"); + return -1; + } rxconf = &dev_info.default_rxconf; txconf = &dev_info.default_txconf; -- 2.25.1