From patchwork Tue Nov 22 15:30:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 120095 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id D4B01A0582; Tue, 22 Nov 2022 16:31:13 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1E34042D83; Tue, 22 Nov 2022 16:31:01 +0100 (CET) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by mails.dpdk.org (Postfix) with ESMTP id 146E4427EB for ; Tue, 22 Nov 2022 16:30:58 +0100 (CET) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8224461756 for ; Tue, 22 Nov 2022 15:30:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8D10C4347C; Tue, 22 Nov 2022 15:30:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669131056; bh=nDkxEv2/TwAeupXyQuSPUNIGA1QSVTVAI7IEmhVnCt8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Gv+1suiw80OrByl5Wmtb9GMykeV2IVDMq8Y6bUVThGL66niU4cMURl/hw7MkXohYW sgBbhHZpbUg/cOqbHERCr56KxwdKCKP9RF7wTFCPs9kqJqhgUz486qDzF7AJudixEz FgxzOhGe5Z2M9B93RJirdslvZ8c7VJh4HY2swukOaHblwfr/Q6QQdwslpGSztaSwyy 7lATd6WajFtaUqvUF4lIEn0KtsrcDcVtp3dKuKz3thmnSy23VtL0jUVfskaCSbcVR7 i2hF5/4rTu0Kff/7TgfzrlBNEbO4wDvUltgSRZOZsdkR2riSrbea6vbhXR9XnxrnDD GQSQYSjmqkdMg== From: okaya@kernel.org To: dev@dpdk.org Cc: Sinan Kaya Subject: [PATCH RESEND v2 02/11] net/tap: check if name is null Date: Tue, 22 Nov 2022 10:30:44 -0500 Message-Id: <20221122153053.1172434-3-okaya@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221122153053.1172434-1-okaya@kernel.org> References: <20221122153053.1172434-1-okaya@kernel.org> MIME-Version: 1.0 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 From: Sinan Kaya In rte_pmd_tun_probe result of call to rte_vdev_device_name is dereferenced here and may be null. Signed-off-by: Sinan Kaya --- drivers/net/tap/rte_eth_tap.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c index f2a6c33a19..b99439e4f2 100644 --- a/drivers/net/tap/rte_eth_tap.c +++ b/drivers/net/tap/rte_eth_tap.c @@ -2340,6 +2340,9 @@ rte_pmd_tun_probe(struct rte_vdev_device *dev) struct rte_eth_dev *eth_dev; name = rte_vdev_device_name(dev); + if (name == NULL) + return -1; + params = rte_vdev_device_args(dev); memset(remote_iface, 0, RTE_ETH_NAME_MAX_LEN);