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 D77CF45C76; Mon, 4 Nov 2024 12:15:29 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 47EB5427D8; Mon, 4 Nov 2024 12:11:35 +0100 (CET) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by mails.dpdk.org (Postfix) with ESMTP id 2790D40E4A for ; Mon, 4 Nov 2024 12:10:48 +0100 (CET) Received: from mail.maildlp.com (unknown [172.19.163.48]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Xhpdf0vwDzQsgM; Mon, 4 Nov 2024 19:09:42 +0800 (CST) Received: from dggpeml500011.china.huawei.com (unknown [7.185.36.84]) by mail.maildlp.com (Postfix) with ESMTPS id 24A14180064; Mon, 4 Nov 2024 19:10:47 +0800 (CST) Received: from localhost.huawei.com (10.50.165.33) by dggpeml500011.china.huawei.com (7.185.36.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 4 Nov 2024 19:10:46 +0800 From: Dengdui Huang To: CC: , , , , , , , , , , Subject: [PATCH v5 51/52] vdpa/mlx5: replace strerror with reentrant version Date: Mon, 4 Nov 2024 19:10:36 +0800 Message-ID: <20241104111037.3632161-52-huangdengdui@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20241104111037.3632161-1-huangdengdui@huawei.com> References: <20231114082539.1858594-1-huangdengdui@huawei.com> <20241104111037.3632161-1-huangdengdui@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.50.165.33] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpeml500011.china.huawei.com (7.185.36.84) 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 The function strerror() is insecure in a multi-thread environment. This patch uses strerror_r() to replace it. Signed-off-by: Dengdui Huang Acked-by: Chengwen Feng Acked-by: Morten Brørup Acked-by: Huisong Li --- drivers/vdpa/mlx5/mlx5_vdpa_virtq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c b/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c index 093cdd08d2..4a07f76a80 100644 --- a/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c +++ b/drivers/vdpa/mlx5/mlx5_vdpa_virtq.c @@ -20,6 +20,7 @@ mlx5_vdpa_virtq_kick_handler(void *cb_arg) { struct mlx5_vdpa_virtq *virtq = cb_arg; struct mlx5_vdpa_priv *priv = virtq->priv; + char errmsg[RTE_STRERR_BUFSIZE]; uint64_t buf; int nbytes; int retry; @@ -43,8 +44,10 @@ mlx5_vdpa_virtq_kick_handler(void *cb_arg) errno == EWOULDBLOCK || errno == EAGAIN) continue; + if (strerror_r(errno, errmsg, sizeof(errmsg)) != 0) + snprintf(errmsg, sizeof(errmsg), "Unknown error %d", errno); DRV_LOG(ERR, "Failed to read kickfd of virtq %d: %s.", - virtq->index, strerror(errno)); + virtq->index, errmsg); } break; } -- 2.33.0