Re: [PATCH -next] dmaengine: fsl-qdma: fix duplicated argument to &&

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Hi Peng,

On 2020/1/21 10:54, Peng Ma wrote:
> 
> 
>> -----Original Message-----
>> From: Chen Zhou <chenzhou10@xxxxxxxxxx>
>> Sent: 2020年1月20日 20:59
>> To: dan.j.williams@xxxxxxxxx; vkoul@xxxxxxxxxx
>> Cc: Peng Ma <peng.ma@xxxxxxx>; Wen He <wen.he_1@xxxxxxx>;
>> jiaheng.fan@xxxxxxx; dmaengine@xxxxxxxxxxxxxxx;
>> linux-kernel@xxxxxxxxxxxxxxx; chenzhou10@xxxxxxxxxx
>> Subject: [PATCH -next] dmaengine: fsl-qdma: fix duplicated argument to &&
>>
>> There is duplicated argument to && in function fsl_qdma_free_chan_resources,
>> which looks like a typo, pointer fsl_queue->desc_pool also needs NULL check,
>> fix it.
>> Detected with coccinelle.
>>
> What does the " coccinelle " mean here?

The scripts in kernel dir, that is coccicheck.

Thanks,
Chen Zhou

> 
>> Fixes: b092529e0aa0 ("dmaengine: fsl-qdma: Add qDMA controller driver for
>> Layerscape SoCs")
>> Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx>
>> ---
>> drivers/dma/fsl-qdma.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c index
>> 8979208..95cc025 100644
>> --- a/drivers/dma/fsl-qdma.c
>> +++ b/drivers/dma/fsl-qdma.c
>> @@ -304,7 +304,7 @@ static void fsl_qdma_free_chan_resources(struct
>> dma_chan *chan)
>>
>> 	vchan_dma_desc_free_list(&fsl_chan->vchan, &head);
>>
>> -	if (!fsl_queue->comp_pool && !fsl_queue->comp_pool)
>> +	if (!fsl_queue->comp_pool && !fsl_queue->desc_pool)
>> 		return;
>>
> Hi Chen,
> 
> Thanks very much for your patch, It is really need to check comp_pool and desc_pool here.
> Reviewed-by: Peng Ma <peng.ma@xxxxxxx>
> Tested-by: Peng Ma <peng.ma@xxxxxxx>
> 
> BR,
> Peng
>> 	list_for_each_entry_safe(comp_temp, _comp_temp,
>> --
>> 2.7.4
> 




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