From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 1C021A00E6 for ; Wed, 17 Apr 2019 16:38:05 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C74A91B6DB; Wed, 17 Apr 2019 16:38:04 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id DAB301B6CD; Wed, 17 Apr 2019 16:38:02 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga102.jf.intel.com with ESMTP; 17 Apr 2019 07:38:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,362,1549958400"; d="scan'208";a="338355620" Received: from silpixa00399499.ir.intel.com (HELO silpixa00399499.ger.corp.intel.com) ([10.237.222.133]) by fmsmga006.fm.intel.com with ESMTP; 17 Apr 2019 07:38:00 -0700 From: Herakliusz Lipiec To: dev@dpdk.org Cc: Herakliusz Lipiec , jianfeng.tan@intel.com, stable@dpdk.org Date: Wed, 17 Apr 2019 15:38:54 +0100 Message-Id: <20190417143854.21588-1-herakliusz.lipiec@intel.com> X-Mailer: git-send-email 2.17.2 Subject: [dpdk-dev] [PATCH 3/8] ipc: fix vdev memleak 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" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190417143854.LMKSf8qswzx-S6GZAu8diPALLI2Qk9kV7UZ8DA8BALQ@z> When sending multiple requests, rte_mp_request_sync can succeed sending a few of those requests, but then fail on a later one and in the end return with rc=-1. The upper layers - e.g. device hotplug - currently handles this case as if no messages were sent and no memory for response buffers was allocated, which is not true. Fixed by always freeing the reply message buffers. Fixes: cdb068f031c6 ("bus/vdev: scan by multi-process channel") Cc: jianfeng.tan@intel.com Cc: stable@dpdk.org Signed-off-by: Herakliusz Lipiec --- drivers/bus/vdev/vdev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/bus/vdev/vdev.c b/drivers/bus/vdev/vdev.c index 04f76a63f..7c43f2ddd 100644 --- a/drivers/bus/vdev/vdev.c +++ b/drivers/bus/vdev/vdev.c @@ -429,10 +429,9 @@ vdev_scan(void) mp_rep = &mp_reply.msgs[0]; resp = (struct vdev_param *)mp_rep->param; VDEV_LOG(INFO, "Received %d vdevs", resp->num); - free(mp_reply.msgs); } else VDEV_LOG(ERR, "Failed to request vdev from primary"); - + free(mp_reply.msgs); /* Fall through to allow private vdevs in secondary process */ } -- 2.17.2