linux-kernel - Re: [PATCH] staging: rtl8192e: prefer strscpy over strncpy

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Message-ID: <b15bc777-b470-3c15-5ea7-8ef2f89622c3@gmail.com>
Date:   Wed, 9 Aug 2023 20:02:05 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     philipp.g.hortmann@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8192e: prefer strscpy over strncpy

On 8/9/23 14:21, Greg KH wrote:
> On Sat, Aug 05, 2023 at 09:51:14AM +0200, Michael Straube wrote:
>> Replace strncpy with strscpy in two places where the destination buffer
>> should be NUL-terminated. Found by checkpatch.
>>
>> WARNING: Prefer strscpy, strscpy_pad, or __nonstring over strncpy - see: https://github.com/KSPP/linux/issues/90
> 
> If a global search/replace could be done, it would have happend a long
> time ago.
> 
> How was this tested?  The functions work differently, are you sure there
> is no change in functionality here?
> 

It was only compile tested. To me it looked as it does not change
functionality, but looking a bit deeper at it I'm not sure anymore.
So, we should leave it as is.

thank you
Michael