Re: drivers/nvme/host/auth.c:950 nvme_auth_init_ctrl() warn: missing error code? 'ret'

From: Dan Carpenter
Date: Fri Dec 23 2022 - 11:22:15 EST


On Fri, Dec 23, 2022 at 04:47:54PM +0100, Christoph Hellwig wrote:
> diff --git a/drivers/nvme/host/auth.c b/drivers/nvme/host/auth.c
> index bb0abbe4491cdc..c808652966a94f 100644
> --- a/drivers/nvme/host/auth.c
> +++ b/drivers/nvme/host/auth.c
> @@ -943,16 +943,19 @@ int nvme_auth_init_ctrl(struct nvme_ctrl *ctrl)
> INIT_WORK(&ctrl->dhchap_auth_work, nvme_ctrl_auth_work);
> if (!ctrl->opts)
> 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)
> +
> + ctrl->host_key = nvme_auth_generate_key(ctrl->opts->dhchap_secret);
> + if (IS_ERR(ctrl->host_key)) {
> + ret = PTR_ERR(ctrl->host_key);
> + goto out;
> + }
> + ctrl->ctrl_key = nvme_auth_generate_key(ctrl->opts->dhchap_ctrl_secret);
> + if (IS_ERR(ctrl->ctrl_key)) {
> + ret = PTR_ERR(ctrl->ctrl_key);
> goto err_free_dhchap_secret;
> + }
>
> - if (!ctrl->opts->dhchap_secret && !ctrl->opts->dhchap_ctrl_secret)
> + if (!ctrl->host_key && !ctrl->ctrl_key)
> return ret;

ret is uninitialized now.

regards,
dan carpenter