From a56c79cfd3e97706ad5615831c3bab01fb4047c4 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Sun, 19 Mar 2017 06:21:42 +0200 Subject: [PATCH] nvme-rdma: fix module_init (theoretical) error path If nvmf_register_transport happened to fail (it can't, but theoretically) we leak memory. Signed-off-by: Sagi Grimberg Signed-off-by: Jens Axboe --- drivers/nvme/host/rdma.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 15eb34c1c436..8592adac4747 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -2030,12 +2030,20 @@ static int __init nvme_rdma_init_module(void) return -ENOMEM; ret = ib_register_client(&nvme_rdma_ib_client); - if (ret) { - destroy_workqueue(nvme_rdma_wq); - return ret; - } + if (ret) + goto err_destroy_wq; + + ret = nvmf_register_transport(&nvme_rdma_transport); + if (ret) + goto err_unreg_client; - return nvmf_register_transport(&nvme_rdma_transport); + return 0; + +err_unreg_client: + ib_unregister_client(&nvme_rdma_ib_client); +err_destroy_wq: + destroy_workqueue(nvme_rdma_wq); + return ret; } static void __exit nvme_rdma_cleanup_module(void) -- 2.34.1