linux-kernel - Re: [PATCH] checkpatch: always allow C99 SPDX License Identifer comments

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Date:   Wed, 11 Mar 2020 19:26:12 -0700
From:   Joe Perches <joe@...ches.com>
To:     Scott Branden <scott.branden@...adcom.com>,
        Andy Whitcroft <apw@...onical.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH] checkpatch: always allow C99 SPDX License Identifer
 comments

On Wed, 2020-03-11 at 12:11 -0700, Scott Branden wrote:
> Always allow C99 comment styles if SPDK-License-Identifier is in comment
> even if C99_COMMENT_TOLERANCE is specified in the --ignore options.

Why is this useful?

> Signed-off-by: Scott Branden <scott.branden@...adcom.com>
> ---
>  scripts/checkpatch.pl | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index a63380c6b0d2..c8b429dd6b51 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -3852,8 +3852,8 @@ sub process {
>  			}
>  		}
>  
> -# no C99 // comments
> -		if ($line =~ m{//}) {
> +# no C99 // comments except for SPDX-License-Identifier
> +		if ($line =~ m{//} && $rawline !~ /SPDX-License-Identifier:/) {
>  			if (ERROR("C99_COMMENTS",
>  				  "do not use C99 // comments\n" . $herecurr) &&
>  			    $fix) {