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Re: [PATCH] checkpatch: Silence perl 5.26.0 unescaped left brace warnings

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On Wed, 2017-06-07 at 16:01 +1000, Cyril Bur wrote:
> As of perl 5, version 26, subversion 0 (v5.26.0) some new warnings have
> occurred when running checkpatch.
> 
> Unescaped left brace in regex is deprecated here (and will be fatal in
> Perl 5.30), passed through in regex; marked by <-- HERE in m/^(.\s*){
> <-- HERE \s*/ at scripts/checkpatch.pl line 3544.
> 
> Unescaped left brace in regex is deprecated here (and will be fatal in
> Perl 5.30), passed through in regex; marked by <-- HERE in m/^(.\s*){
> <-- HERE \s*/ at scripts/checkpatch.pl line 3885.
> 
> Unescaped left brace in regex is deprecated here (and will be fatal in
> Perl 5.30), passed through in regex; marked by <-- HERE in
> m/^(\+.*(?:do|\))){ <-- HERE / at scripts/checkpatch.pl line 4374.
> 
> It seems perfectly reasonable to do as the warning suggests and simply
> escape the left brace in these three locations.
> 
> Signed-off-by: Cyril Bur <cyrilbur@gmail.com>

Acked-by: Joe Perches <joe@perches.com>

> ---
>  scripts/checkpatch.pl | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 4b9569fa931b..33e50614a5d9 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -3541,7 +3541,7 @@ sub process {
>  				$fixedline =~ s/\s*=\s*$/ = {/;
>  				fix_insert_line($fixlinenr, $fixedline);
>  				$fixedline = $line;
> -				$fixedline =~ s/^(.\s*){\s*/$1/;
> +				$fixedline =~ s/^(.\s*)\{\s*/$1/;
>  				fix_insert_line($fixlinenr, $fixedline);
>  			}
>  		}
> @@ -3882,7 +3882,7 @@ sub process {
>  				my $fixedline = rtrim($prevrawline) . " {";
>  				fix_insert_line($fixlinenr, $fixedline);
>  				$fixedline = $rawline;
> -				$fixedline =~ s/^(.\s*){\s*/$1\t/;
> +				$fixedline =~ s/^(.\s*)\{\s*/$1\t/;
>  				if ($fixedline !~ /^\+\s*$/) {
>  					fix_insert_line($fixlinenr, $fixedline);
>  				}
> @@ -4371,7 +4371,7 @@ sub process {
>  			if (ERROR("SPACING",
>  				  "space required before the open brace '{'\n" . $herecurr) &&
>  			    $fix) {
> -				$fixed[$fixlinenr] =~ s/^(\+.*(?:do|\))){/$1 {/;
> +				$fixed[$fixlinenr] =~ s/^(\+.*(?:do|\)))\{/$1 {/;
>  			}
>  		}
>  

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[PATCH] checkpatch: Silence perl 5.26.0 unescaped left brace warnings Cyril Bur <cyrilbur@gmail.com> - 2017-06-07 08:10 +0200
  Re: [PATCH] checkpatch: Silence perl 5.26.0 unescaped left brace  warnings Joe Perches <joe@perches.com> - 2017-06-07 10:40 +0200

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