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authorSagi Grimberg <sagi@grimberg.me>2022-11-13 13:24:10 +0200
committerChristoph Hellwig <hch@lst.de>2022-11-16 08:36:35 +0100
commit193a8c7e5f1a8481841636cec9c185543ec5c759 (patch)
treef9f0660dd64f0e876d3900335becb039fbddda43 /drivers/nvme/host
parentf6b182fbd5c608bd6cbaaaee35b1325443f48043 (diff)
nvme-auth: don't ignore key generation failures when initializing ctrl keys
nvme_auth_generate_key can fail, don't ignore it upon initialization. Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host')
-rw-r--r--drivers/nvme/host/auth.c19
-rw-r--r--drivers/nvme/host/core.c6
-rw-r--r--drivers/nvme/host/nvme.h7
3 files changed, 25 insertions, 7 deletions
diff --git a/drivers/nvme/host/auth.c b/drivers/nvme/host/auth.c
index 0d0542e33484..d62862ef5b3f 100644
--- a/drivers/nvme/host/auth.c
+++ b/drivers/nvme/host/auth.c
@@ -972,15 +972,26 @@ 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 6040a13d3e2d..3d6751cbf40e 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -5119,9 +5119,13 @@ 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 924ff80d85f6..47f96ab14c6a 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -1018,14 +1018,17 @@ 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_reset(struct nvme_ctrl *ctrl);
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)
{