linux-kernel - Re: [PATCH] scripts: kernel-doc: Check existence of FILE arg

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Date:   Wed, 23 Feb 2022 14:47:13 +0100
From:   Tomasz Warniełło <tomasz.warniello@...il.com>
To:     Akira Yokosawa <akiyks@...il.com>
Cc:     Jonathan Corbet <corbet@....net>,
        Randy Dunlap <rdunlap@...radead.org>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        tomasz.warniello@...il.com
Subject: Re: [PATCH] scripts: kernel-doc: Check existence of FILE arg

On Wed, 23 Feb 2022 15:07:30 +0900
Akira Yokosawa <akiyks@...il.com> wrote:

> Currently, when no FILE argument is given following switches such
> as -man, -rst, and -none, kernel-doc ends up in the error of (long
> msg from perl folded):
> 
>     Use of uninitialized value $ARGV[0] in pattern match (m//)
>     at ./scripts/kernel-doc line 438.

It's a warning not an error.