linux-kernel - Re: [PATCH 2/2] usb: pci-quirks: Remove a useless initialization

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Date:   Thu, 23 Mar 2023 20:17:01 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Mathias Nyman <mathias.nyman@...el.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH 2/2] usb: pci-quirks: Remove a useless initialization


Le 23/03/2023 à 17:32, Greg Kroah-Hartman a écrit :
> On Tue, Mar 21, 2023 at 10:43:10PM +0100, Christophe JAILLET wrote:
>> 'info' is memset()'ed a few lines below and is not use in the between.
>>
>> There is no need to initialize one of its field to false here.
>>
>> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
>> ---
>>   drivers/usb/host/pci-quirks.c | 1 -
>>   1 file changed, 1 deletion(-)
>>
>> diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
>> index 6b741327d2c4..46f2412dcb40 100644
>> --- a/drivers/usb/host/pci-quirks.c
>> +++ b/drivers/usb/host/pci-quirks.c
>> @@ -208,7 +208,6 @@ static void usb_amd_find_chipset_info(void)
>>   {
>>   	unsigned long flags;
>>   	struct amd_chipset_info info;
>> -	info.need_pll_quirk = false;
> Why not just change the line above it to:
> 	struct amd_chipset_info info = { };
> and drop the call to memset entirely?

I find an explicit memset() more readable, but it's mostly a matter of 
taste.

I'll send a v2.

CJ


> thanks,
>
> greg k-h