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Thu, 24 Jun 2021 18:55:37 +0000 From: Gerd Rausch Subject: [PATCH 1/1] RDMA/cma: Fix rdma_resolve_route memory leak To: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Doug Ledford , Jason Gunthorpe Message-ID: Date: Thu, 24 Jun 2021 11:55:31 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [2405:ba00:8000:1021::1046] X-ClientProxiedBy: SN7PR04CA0005.namprd04.prod.outlook.com (2603:10b6:806:f2::10) To BYAPR10MB3158.namprd10.prod.outlook.com (2603:10b6:a03:15d::23) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from ib0.gerd.us.oracle.com (2405:ba00:8000:1021::1046) by SN7PR04CA0005.namprd04.prod.outlook.com (2603:10b6:806:f2::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.19 via Frontend Transport; Thu, 24 Jun 2021 18:55:35 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f26382e6-711d-44a1-aeae-08d93741a77f X-MS-TrafficTypeDiagnostic: BYAPR10MB3253: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:923; 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Signed-off-by: Gerd Rausch --- drivers/infiniband/core/cma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index ab148a696c0c..4a76d5b4163e 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -2819,7 +2819,8 @@ static int cma_resolve_ib_route(struct rdma_id_private *id_priv, cma_init_resolve_route_work(work, id_priv); - route->path_rec = kmalloc(sizeof *route->path_rec, GFP_KERNEL); + if (!route->path_rec) + route->path_rec = kmalloc(sizeof *route->path_rec, GFP_KERNEL); if (!route->path_rec) { ret = -ENOMEM; goto err1; -- 2.24.1