[PATCH 1/1] drm/mediatek: Remove redundant error printing in mtk_cec_probe()

Leizhen (ThunderTown) thunder.leizhen at huawei.com
Tue May 11 06:18:31 PDT 2021



On 2021/5/11 21:13, Baruch Siach wrote:
> Hi Zhen Lei,
> 
> On Tue, May 11 2021, Zhen Lei wrote:
>> When devm_ioremap_resource() fails, a clear enough error message will be
>> printed by its subfunction __devm_ioremap_resource(). The error
>> information contains the device name, failure cause, and possibly resource
>> information.
>>
>> Therefore, remove the error printing here to simplify code and reduce the
>> binary size.
>>
>> Reported-by: Hulk Robot <hulkci at huawei.com>
>> Signed-off-by: Zhen Lei <thunder.leizhen at huawei.com>
>> ---
>>  drivers/gpu/drm/mediatek/mtk_cec.c | 1 -
>>  1 file changed, 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/mediatek/mtk_cec.c b/drivers/gpu/drm/mediatek/mtk_cec.c
>> index e9cef5c0c8f7eff..fd593ff99bfd447 100644
>> --- a/drivers/gpu/drm/mediatek/mtk_cec.c
>> +++ b/drivers/gpu/drm/mediatek/mtk_cec.c
>> @@ -197,7 +197,6 @@ static int mtk_cec_probe(struct platform_device *pdev)
>>  	cec->regs = devm_ioremap_resource(dev, res);
>>  	if (IS_ERR(cec->regs)) {
>>  		ret = PTR_ERR(cec->regs);
>> -		dev_err(dev, "Failed to ioremap cec: %d\n", ret);
>>  		return ret;
> 
> You can just return PTR_ERR() directly. No need to set 'ret'.

Right, I will fix it tomorrow.

> 
> baruch
> 
>>  	}
> 
> 




More information about the linux-arm-kernel mailing list