From patchwork Tue Jan 14 05:14:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 64603 X-Patchwork-Delegate: ajit.khaparde@broadcom.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1D15BA04FD; Tue, 14 Jan 2020 06:16:44 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8FE621C2B6; Tue, 14 Jan 2020 06:16:36 +0100 (CET) Received: from rnd-relay.smtp.broadcom.com (rnd-relay.smtp.broadcom.com [192.19.229.170]) by dpdk.org (Postfix) with ESMTP id A583A1C2AE for ; Tue, 14 Jan 2020 06:16:32 +0100 (CET) Received: from mail-irv-17.broadcom.com (mail-irv-17.lvn.broadcom.net [10.75.242.48]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id E053E30C548; Mon, 13 Jan 2020 21:10:20 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.10.3 rnd-relay.smtp.broadcom.com E053E30C548 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1578978620; bh=IXB39DGAeSYK3b6kQzHepqcgFzZMpWOB3YAGu1qGDvo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Lc7x8f1Vmm94pA4By2cgm1vn/1bgY+Uq7ynphr1LQqCbHtXmDwpem1HZZ/ViHJ+xS tuUGs6g6wkZr5zC8x87xa7VGeqz6OGnOeUwZZuZUdsK69d84SpDOfe0o27b2On7gu1 A5wUyhBxq9UgdSyInKjygPiLLNP3G+MgVk95N5s4= Received: from localhost.localdomain (unknown [10.230.30.124]) by mail-irv-17.broadcom.com (Postfix) with ESMTP id 134ED140069; Mon, 13 Jan 2020 21:16:31 -0800 (PST) From: Ajit Khaparde To: dev@dpdk.org Cc: ferruh.yigit@intel.com, Kalesh AP Date: Mon, 13 Jan 2020 21:14:26 -0800 Message-Id: <20200114051435.46093-2-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122.2) In-Reply-To: <20200114051435.46093-1-ajit.khaparde@broadcom.com> References: <20200113050118.28719-1-kalesh-anakkur.purayil@broadcom.com> <20200114051435.46093-1-ajit.khaparde@broadcom.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v3 01/10] net/bnxt: handle flow create failure X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Kalesh AP If flow create fails due to not enough filter resources, driver does not populate the rte_flow_error using rte_flow_error_set(). Since "rte_errno" could have garbage value and is not relaiable, it could cause a segfault in the stack in port_flow_complain(). Fix it to set rte_flow_error using rte_flow_error_set() when flow create fails due to not enough filter resources. Signed-off-by: Kalesh AP Reviewed-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_flow.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/bnxt/bnxt_flow.c b/drivers/net/bnxt/bnxt_flow.c index cde1fa41c..5564c5363 100644 --- a/drivers/net/bnxt/bnxt_flow.c +++ b/drivers/net/bnxt/bnxt_flow.c @@ -1702,7 +1702,9 @@ bnxt_flow_create(struct rte_eth_dev *dev, filter = bnxt_get_unused_filter(bp); if (filter == NULL) { - PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n"); + rte_flow_error_set(error, ENOSPC, + RTE_FLOW_ERROR_TYPE_HANDLE, NULL, + "Not enough resources for a new flow"); goto free_flow; }