From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id F1AFCA09FD; Fri, 18 Dec 2020 16:20:16 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3EF40CC43; Fri, 18 Dec 2020 16:17:25 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 5D7BFCB12 for ; Fri, 18 Dec 2020 16:17:10 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from xuemingl@nvidia.com) with SMTP; 18 Dec 2020 17:17:04 +0200 Received: from nvidia.com (pegasus05.mtr.labs.mlnx [10.210.16.100]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 0BIFH4qb010856; Fri, 18 Dec 2020 17:17:04 +0200 From: Xueming Li To: Viacheslav Ovsiienko , Thomas Monjalon , Ferruh Yigit , Andrew Rybchenko , Olivier Matz , Matan Azrad Cc: dev@dpdk.org, xuemingl@nvidia.com, Asaf Penso , gaetan.rivet@6wind.com, stable@dpdk.org Date: Fri, 18 Dec 2020 15:16:48 +0000 Message-Id: <1608304614-13908-4-git-send-email-xuemingl@nvidia.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1608304614-13908-1-git-send-email-xuemingl@nvidia.com> References: <1608304614-13908-1-git-send-email-xuemingl@nvidia.com> Subject: [dpdk-dev] [RFC 3/9] devargs: fix memory leak in legacy parser 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" Data field was designed as parser buffer, will be released once in releasing struct memory. The duplicated device arguments was not saved to data and this caused memory leak. This patch fixes this leak by saving to new allocated memory to data field. Fixes: 4969f5914c9e ("devargs: introduce new parsing helper") Cc: gaetan.rivet@6wind.com Cc: stable@dpdk.org Signed-off-by: Xueming Li --- lib/librte_eal/common/eal_common_devargs.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c index f36f71fbce..3c4774c88a 100644 --- a/lib/librte_eal/common/eal_common_devargs.c +++ b/lib/librte_eal/common/eal_common_devargs.c @@ -224,13 +224,14 @@ rte_devargs_parse(struct rte_devargs *da, const char *dev) da->bus = bus; /* Parse eventual device arguments */ if (devname[i] == ',') - da->args = strdup(&devname[i + 1]); + da->data = strdup(&devname[i + 1]); else - da->args = strdup(""); - if (da->args == NULL) { + da->data = strdup(""); + if (da->data == NULL) { RTE_LOG(ERR, EAL, "not enough memory to parse arguments\n"); return -ENOMEM; } + da->args = da->data; return 0; } -- 2.25.1