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checkpatch: check for space after "else" keyword

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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.

Link: http://lkml.kernel.org/r/1533545753-8870-1-git-send-email-michal.zylowski@intel.com
Signed-off-by: Michal Zylowski <michal.zylowski@intel.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michal Zylowski 2018-08-21 21:58:08 -07:00 committed by Linus Torvalds
parent 5629411279
commit 6ad724e2a4
1 changed files with 2 additions and 2 deletions
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4
scripts/checkpatch.pl
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@ -4531,11 +4531,11 @@ 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) {
$fixed[$fixlinenr] =~ s/^(\+.*(?:do|\)))\{/$1 {/;
$fixed[$fixlinenr] =~ s/^(\+.*(?:do|else|\)))\{/$1 {/;
}
}