From patchwork Fri Oct 11 05:46:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nipun Gupta X-Patchwork-Id: 60934 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8FCBB1E97D; Fri, 11 Oct 2019 08:02:53 +0200 (CEST) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by dpdk.org (Postfix) with ESMTP id 658491E983 for ; Fri, 11 Oct 2019 08:02:43 +0200 (CEST) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 30C542004CD; Fri, 11 Oct 2019 08:02:43 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 7C80D2004EB; Fri, 11 Oct 2019 08:02:40 +0200 (CEST) Received: from GDB1.ap.freescale.net (GDB1.ap.freescale.net [10.232.132.179]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id CB4BC402E4; Fri, 11 Oct 2019 14:02:36 +0800 (SGT) From: Nipun Gupta To: dev@dpdk.org Cc: ferruh.yigit@intel.com, hemant.agrawal@nxp.com, sachin.saxena@nxp.com, Shreyansh Jain Date: Fri, 11 Oct 2019 11:16:57 +0530 Message-Id: <20191011054657.21931-10-nipun.gupta@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191011054657.21931-1-nipun.gupta@nxp.com> References: <20191011054657.21931-1-nipun.gupta@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Subject: [dpdk-dev] [PATCH 9/9] bus/fslmc: sanitize device name parsing for clarity 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: Shreyansh Jain remove unneccessary dup and free Signed-off-by: Shreyansh Jain --- drivers/bus/fslmc/fslmc_bus.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c index eff15f25d..251f148da 100644 --- a/drivers/bus/fslmc/fslmc_bus.c +++ b/drivers/bus/fslmc/fslmc_bus.c @@ -236,8 +236,9 @@ rte_fslmc_parse(const char *name, void *addr) { uint16_t dev_id; char *t_ptr; - char *sep = NULL; + const char *sep; uint8_t sep_exists = 0; + int ret = -1; DPAA2_BUS_DEBUG("Parsing dev=(%s)", name); @@ -267,10 +268,11 @@ rte_fslmc_parse(const char *name, void *addr) } else { DPAA2_BUS_DEBUG("Invalid device for matching (%s).", name); + ret = -EINVAL; goto err_out; } } else - sep = strdup(name); + sep = name; jump_out: /* Validate device name */ @@ -284,23 +286,23 @@ rte_fslmc_parse(const char *name, void *addr) strncmp("dpdmai", sep, 6) && strncmp("dpdmux", sep, 6)) { DPAA2_BUS_DEBUG("Unknown or unsupported device (%s)", sep); + ret = -EINVAL; goto err_out; } t_ptr = strchr(sep, '.'); if (!t_ptr || sscanf(t_ptr + 1, "%hu", &dev_id) != 1) { DPAA2_BUS_ERR("Missing device id in device name (%s)", sep); + ret = -EINVAL; goto err_out; } if (addr) strcpy(addr, sep); - return 0; + ret = 0; err_out: - if (!sep_exists && sep) - free(sep); - return -EINVAL; + return ret; } static int