linux-kernel - Re: [PATCH -next] RDMA/srpt: Fix error return code in srpt_cm_req

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Message-ID: <cdb4321e-99cd-2ca3-fd6e-e273c5000165@acm.org>
Date:   Mon, 12 Apr 2021 11:47:40 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Wang Wensheng <wangwensheng4@...wei.com>, dledford@...hat.com,
        jgg@...pe.ca, linux-rdma@...r.kernel.org,
        target-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     rui.xiang@...wei.com
Subject: Re: [PATCH -next] RDMA/srpt: Fix error return code in
 srpt_cm_req_recv()

On 4/8/21 4:31 AM, Wang Wensheng wrote:
> Fix to return a negative error code from the error handling
> case instead of 0, as done elsewhere in this function.
> 
> Fixes: db7683d7deb2 ("IB/srpt: Fix login-related race conditions")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Wang Wensheng <wangwensheng4@...wei.com>
> ---
>  drivers/infiniband/ulp/srpt/ib_srpt.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
> index 98a393d..ea44780 100644
> --- a/drivers/infiniband/ulp/srpt/ib_srpt.c
> +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
> @@ -2382,6 +2382,7 @@ static int srpt_cm_req_recv(struct srpt_device *const sdev,
>  		pr_info("rejected SRP_LOGIN_REQ because target %s_%d is not enabled\n",
>  			dev_name(&sdev->device->dev), port_num);
>  		mutex_unlock(&sport->mutex);
> +		ret = -EINVAL;
>  		goto reject;
>  	}

Reviewed-by: Bart Van Assche <bvanassche@....org>