From a584cf03ff8b546e6b1bae4f254223b2fcff6dfd Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Sun, 13 Nov 2022 13:24:10 +0200 Subject: [PATCH] nvme-auth: don't ignore key generation failures when initializing ctrl keys [ Upstream commit 193a8c7e5f1a8481841636cec9c185543ec5c759 ] nvme_auth_generate_key can fail, don't ignore it upon initialization. Reviewed-by: Hannes Reinecke Signed-off-by: Sagi Grimberg Reviewed-by: Chaitanya Kulkarni Signed-off-by: Christoph Hellwig Stable-dep-of: 7ed5cf8e6d9b ("nvme-core: fix dev_pm_qos memleak") Signed-off-by: Sasha Levin --- drivers/nvme/host/auth.c | 19 +++++++++++++++---- drivers/nvme/host/core.c | 6 +++++- drivers/nvme/host/nvme.h | 7 +++++-- 3 files changed, 25 insertions(+), 7 deletions(-) diff --git a/drivers/nvme/host/auth.c b/drivers/nvme/host/auth.c index 1a27d7f..9dfd3d0 100644 --- a/drivers/nvme/host/auth.c +++ b/drivers/nvme/host/auth.c @@ -956,15 +956,26 @@ static void nvme_ctrl_auth_work(struct work_struct *work) */ } -void nvme_auth_init_ctrl(struct nvme_ctrl *ctrl) +int nvme_auth_init_ctrl(struct nvme_ctrl *ctrl) { + int ret; + INIT_LIST_HEAD(&ctrl->dhchap_auth_list); INIT_WORK(&ctrl->dhchap_auth_work, nvme_ctrl_auth_work); mutex_init(&ctrl->dhchap_auth_mutex); if (!ctrl->opts) - return; - nvme_auth_generate_key(ctrl->opts->dhchap_secret, &ctrl->host_key); - nvme_auth_generate_key(ctrl->opts->dhchap_ctrl_secret, &ctrl->ctrl_key); + return 0; + ret = nvme_auth_generate_key(ctrl->opts->dhchap_secret, + &ctrl->host_key); + if (ret) + return ret; + ret = nvme_auth_generate_key(ctrl->opts->dhchap_ctrl_secret, + &ctrl->ctrl_key); + if (ret) { + nvme_auth_free_key(ctrl->host_key); + ctrl->host_key = NULL; + } + return ret; } EXPORT_SYMBOL_GPL(nvme_auth_init_ctrl); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 2b07a67..09ff0d7 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -5171,9 +5171,13 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, nvme_fault_inject_init(&ctrl->fault_inject, dev_name(ctrl->device)); nvme_mpath_init_ctrl(ctrl); - nvme_auth_init_ctrl(ctrl); + ret = nvme_auth_init_ctrl(ctrl); + if (ret) + goto out_free_cdev; return 0; +out_free_cdev: + cdev_device_del(&ctrl->cdev, ctrl->device); out_free_name: nvme_put_ctrl(ctrl); kfree_const(ctrl->device->kobj.name); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 5ed771d..69f9e69 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -1028,13 +1028,16 @@ static inline bool nvme_ctrl_sgl_supported(struct nvme_ctrl *ctrl) } #ifdef CONFIG_NVME_AUTH -void nvme_auth_init_ctrl(struct nvme_ctrl *ctrl); +int nvme_auth_init_ctrl(struct nvme_ctrl *ctrl); void nvme_auth_stop(struct nvme_ctrl *ctrl); int nvme_auth_negotiate(struct nvme_ctrl *ctrl, int qid); int nvme_auth_wait(struct nvme_ctrl *ctrl, int qid); void nvme_auth_free(struct nvme_ctrl *ctrl); #else -static inline void nvme_auth_init_ctrl(struct nvme_ctrl *ctrl) {}; +static inline int nvme_auth_init_ctrl(struct nvme_ctrl *ctrl) +{ + return 0; +} static inline void nvme_auth_stop(struct nvme_ctrl *ctrl) {}; static inline int nvme_auth_negotiate(struct nvme_ctrl *ctrl, int qid) { -- 2.7.4