linux-kernel - Re: [PATCH] IB/ocrdma_hw: remove unnecessary code in ocrdma_mbx_dealloc

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Date:   Tue, 07 Nov 2017 08:30:22 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Selvin Xavier <selvin.xavier@...adcom.com>,
        Devesh Sharma <devesh.sharma@...adcom.com>,
        Doug Ledford <dledford@...hat.com>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] IB/ocrdma_hw: remove unnecessary code in
 ocrdma_mbx_dealloc_lkey

Hi Leon,

Quoting Leon Romanovsky <leon@...nel.org>:

> On Mon, Nov 06, 2017 at 08:35:14AM -0600, Gustavo A. R. Silva wrote:
>> Check on return value and goto label mbx_err are unnecessary.
>>
>> Addresses-Coverity-ID: 1268780
>> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
>> ---
>>  drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 4 +---
>>  1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c  
>> b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
>> index f8c14c7..db02bbb 100644
>> --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
>> +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
>> @@ -1956,9 +1956,7 @@ int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev  
>> *dev, int fr_mr, u32 lkey)
>>  	cmd->lkey = lkey;
>>  	cmd->rsvd_frmr = fr_mr ? 1 : 0;
>>  	status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
>> -	if (status)
>> -		goto mbx_err;
>> -mbx_err:
>> +
>
> Can you please remove assignment from "int status = -ENOMEM"?
> It produces warning too.
>

OK. Will do.

By the way, which compiler triggers that warning?

I'm using GCC 7.2.0 and I don't see it.

Thanks
--
Gustavo A. R. Silva