linux-hardening - Re: [PATCH -next 2/4] tun: Make use of str_disabled

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Message-ID: <3360d021-6290-4d6a-9d83-cd4c2d47fd0d@nvidia.com>
Date: Mon, 2 Sep 2024 09:10:33 +0300
From: Gal Pressman <gal@...dia.com>
To: Jakub Kicinski <kuba@...nel.org>, Hongbo Li <lihongbo22@...wei.com>
Cc: kees@...nel.org, andy@...nel.org, willemdebruijn.kernel@...il.com,
 jasowang@...hat.com, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, akpm@...ux-foundation.org,
 linux-hardening@...r.kernel.org, netdev@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH -next 2/4] tun: Make use of str_disabled_enabled helper

On 31/08/2024 23:07, Jakub Kicinski wrote:
> On Sat, 31 Aug 2024 17:58:38 +0800 Hongbo Li wrote:
>> Use str_disabled_enabled() helper instead of open
>> coding the same.
> 
>> diff --git a/drivers/net/tun.c b/drivers/net/tun.c
>> index 6fe5e8f7017c..29647704bda8 100644
>> --- a/drivers/net/tun.c
>> +++ b/drivers/net/tun.c
>> @@ -3178,7 +3178,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
>>  
>>  		/* [unimplemented] */
>>  		netif_info(tun, drv, tun->dev, "ignored: set checksum %s\n",
>> -			   arg ? "disabled" : "enabled");
>> +			   str_disabled_enabled(arg));
> 
> You don't explain the 'why'. How is this an improvement?
> nack on this and 2 similar networking changes you sent
> 

Are you against the concept of string_choices in general, or this
specific change?