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checkpatch: allow parentheses on return for comparisons 

It seems to be a common idiom to include braces on conditionals in all
contexts including return.  Allow this exception to the return is not a
function checks.  Reported by Kay Sievers.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andy Whitcroft 2009-01-06 14:41:24 -08:00 committed by Linus Torvalds
parent 1e85572697
commit 86f9d059c6
1 changed files with 3 additions and 2 deletions
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5
scripts/checkpatch.pl
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@ -127,6 +127,7 @@ our $Lval = qr{$Ident(?:$Member)*};
our $Constant = qr{(?:[0-9]+|0x[0-9a-fA-F]+)[UL]*};
our $Assignment = qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)};
our $Compare = qr{<=|>=|==|!=|<|>};
our $Operators = qr{
<=|>=|==|!=|
=>|->|<<|>>|<|>|!|~|
@ -1983,9 +1984,9 @@ sub process {
my $spacing = $1;
my $value = $2;
# Flatten any parentheses and braces
# Flatten any parentheses
$value =~ s/\)\(/\) \(/g;
while ($value =~ s/\([^\(\)]*\)/1/) {
while ($value !~ /(?:$Ident|-?$Constant)\s*$Compare\s*(?:$Ident|-?$Constant)/ && $value =~ s/\([^\(\)]*\)/1/) {
}
if ($value =~ /^(?:$Ident|-?$Constant)$/) {