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-rwxr-xr-xscripts/checkpatch.pl27
1 files changed, 24 insertions, 3 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 17e1d94fa1fa..19690a2ddb74 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1051,6 +1051,7 @@ sub process {
# suppression flags
my %suppress_ifbraces;
+ my %suppress_whiletrailers;
# Pre-scan the patch sanitizing the lines.
# Pre-scan the patch looking for any __setup documentation.
@@ -1156,6 +1157,7 @@ sub process {
$prev_values = 'E';
%suppress_ifbraces = ();
+ %suppress_whiletrailers = ();
next;
# track the line number as we move through the hunk, note that
@@ -1301,9 +1303,9 @@ sub process {
}
# Check for potential 'bare' types
- my ($stat, $cond, $line_nr_next, $remain_next);
+ my ($stat, $cond, $line_nr_next, $remain_next, $off_next);
if ($realcnt && $line =~ /.\s*\S/) {
- ($stat, $cond, $line_nr_next, $remain_next) =
+ ($stat, $cond, $line_nr_next, $remain_next, $off_next) =
ctx_statement_block($linenr, $realcnt, 0);
$stat =~ s/\n./\n /g;
$cond =~ s/\n./\n /g;
@@ -1952,7 +1954,26 @@ sub process {
# Check for illegal assignment in if conditional -- and check for trailing
# statements after the conditional.
- if ($line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) {
+ if ($line =~ /do\s*(?!{)/) {
+ my ($stat_next) = ctx_statement_block($line_nr_next,
+ $remain_next, $off_next);
+ $stat_next =~ s/\n./\n /g;
+ ##print "stat<$stat> stat_next<$stat_next>\n";
+
+ if ($stat_next =~ /^\s*while\b/) {
+ # If the statement carries leading newlines,
+ # then count those as offsets.
+ my ($whitespace) =
+ ($stat_next =~ /^((?:\s*\n[+-])*\s*)/s);
+ my $offset =
+ statement_rawlines($whitespace) - 1;
+
+ $suppress_whiletrailers{$line_nr_next +
+ $offset} = 1;
+ }
+ }
+ if (!defined $suppress_whiletrailers{$linenr} &&
+ $line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) {
my ($s, $c) = ($stat, $cond);
if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/) {