scripts/checkpatch.pl: Bug fix

Commit 2b9aef6fcd introduced a regression:
checkpatch.pl started complaining about the following valid pattern:
do {
     /* something */
} while (condition);

Fix the script to once again permit this pattern.

Signed-off-by: Su Hang <suhang16@mails.ucas.ac.cn>
Message-Id: <1522029982-4650-1-git-send-email-suhang16@mails.ucas.ac.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Su Hang 2018-03-26 10:06:22 +08:00 committed by Paolo Bonzini
parent 5cd10051c2
commit 053e45d2f3

View File

@ -2356,6 +2356,18 @@ sub process {
# check for missing bracing around if etc
if ($line =~ /(^.*)\b(?:if|while|for)\b/ &&
$line !~ /\#\s*if/) {
my $allowed = 0;
# Check the pre-context.
if ($line =~ /(\}.*?)$/) {
my $pre = $1;
if ($line !~ /else/) {
print "APW: ALLOWED: pre<$pre> line<$line>\n"
if $dbg_adv_apw;
$allowed = 1;
}
}
my ($level, $endln, @chunks) =
ctx_statement_full($linenr, $realcnt, 1);
if ($dbg_adv_apw) {
@ -2364,7 +2376,6 @@ sub process {
if $#chunks >= 1;
}
if ($#chunks >= 0 && $level == 0) {
my $allowed = 0;
my $seen = 0;
my $herectx = $here . "\n";
my $ln = $linenr - 1;
@ -2408,7 +2419,7 @@ sub process {
$allowed = 1;
}
}
if ($seen != ($#chunks + 1)) {
if ($seen != ($#chunks + 1) && !$allowed) {
ERROR("braces {} are necessary for all arms of this statement\n" . $herectx);
}
}