linux-kernel - Re: [PATCH] checkpatch: add --fix option for INCLUDE

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Date:   Sat, 21 Nov 2020 12:05:22 -0800
From:   Joe Perches <joe@...ches.com>
To:     Dwaipayan Ray <dwaipayanray1@...il.com>
Cc:     linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org, lukas.bulwahn@...il.com
Subject: Re: [PATCH] checkpatch: add --fix option for INCLUDE_LINUX

On Sat, 2020-11-21 at 21:47 +0530, Dwaipayan Ray wrote:
> Provide fix option to INCLUDE_LINUX check to replace asm
> includes.
> 
> Macros of type:
>  #include <asm/percpu.h>
> 
> are corrected to:
>  #include <linux/percpu.h>
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -5468,8 +5468,11 @@ sub process {
>  						CHK("ARCH_INCLUDE_LINUX",
>  						    "Consider using #include <linux/$file> instead of <asm/$file>\n" . $herecurr);
>  					} else {
> -						WARN("INCLUDE_LINUX",
> -						     "Use #include <linux/$file> instead of <asm/$file>\n" . $herecurr);
> +						if (WARN("INCLUDE_LINUX",
> +							 "Use #include <linux/$file> instead of <asm/$file>\n" . $herecurr) &&
> +						    $fix) {
> +							$fixed[$fixlinenr] =~ s/\<asm\/$file\>/\<linux\/$file\>/;

$file can include a slash.

e.g.: arch/arm/kernel/atags_parse.c:#include <asm/mach/arch.h>

Probably simpler to use /Q /E quoting.