Re: [PATCH v2] checkpatch: Check for space after "else" keyword

From: Joe Perches
Date: Sun Aug 05 2018 - 19:57:25 EST


On Sun, 2018-08-05 at 22:42 +0200, Michal Zylowski wrote:
> Current checkpatch implementation permits notation like:
> } else{
> in kernel code.
> It looks like oversight and inconsistency in checkpatch rules (e.g.
> instruction like 'do' is tested).
>
> Add regex for checking space after 'else' keyword and trigger error if
> space is not present.
>
> Signed-off-by: Michal Zylowski <michal.zylowski@xxxxxxxxx>
> ---
> scripts/checkpatch.pl | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 447857f..81617b8 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -4483,7 +4483,7 @@ sub process {
>
> #need space before brace following if, while, etc
> if (($line =~ /\(.*\)\{/ && $line !~ /\($Type\)\{/) ||
> - $line =~ /do\{/) {
> + $line =~ /\b(?:else|do)\{/) {
> if (ERROR("SPACING",
> "space required before the open brace '{'\n" . $herecurr) &&
> $fix) {

Thanks.

btw: the fix block blow also should be updated with else