linux-kernel - Re: [PATCH] checkpatch: Don't warn about colon termination in linker scripts

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <90cf805f4be6ecf5887fe470af6db2d596dc46a3.camel@perches.com>
Date:   Fri, 05 Feb 2021 19:25:06 -0800
From:   Joe Perches <joe@...ches.com>
To:     Chris Down <chris@...isdown.name>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH] checkpatch: Don't warn about colon termination in
 linker scripts

On Thu, 2021-02-04 at 16:32 +0000, Chris Down wrote:
> This check erroneously flags cases like the one in my recent printk
> enumeration patch[0], where the spaces are syntactic, and `section:' vs.
> `section :' is syntactically important:
> 
>     ERROR: space prohibited before that ':' (ctx:WxW)
>     #258: FILE: include/asm-generic/vmlinux.lds.h:314:
>     +       .printk_fmts : AT(ADDR(.printk_fmts) - LOAD_OFFSET) {
> 
> 0: https://lore.kernel.org/patchwork/patch/1375749/

Remember to cc the checkpatch maintainers.

> Signed-off-by: Chris Down <chris@...isdown.name>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> ---
>  scripts/checkpatch.pl | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 4f8494527139..3bcffc5574ae 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -5046,7 +5046,7 @@ sub process {
>  				# A colon needs no spaces before when it is
>  				# terminating a case value or a label.
>  				} elsif ($opv eq ':C' || $opv eq ':L') {
> -					if ($ctx =~ /Wx./) {
> +					if ($ctx =~ /Wx./ and $realfile !~ m@.*\.lds\.h$@) {
>  						if (ERROR("SPACING",
>  							  "space prohibited before that '$op' $at\n" . $hereptr)) {
>  							$good = rtrim($fix_elements[$n]) . trim($fix_elements[$n + 1]);