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authorAndy Whitcroft <apw@shadowen.org>2008-07-23 21:29:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 10:47:25 -0700
commita3bb97a7aba36055d476896ed6393ab35a119d5b (patch)
tree9d09ae6cfc89e72078ccf7f436fdfa7cd33a7519 /scripts
parent6ef9b297f6e8850da3be9c9ff5f00385c0977004 (diff)
downloadlinux-2.6.34-ux500-a3bb97a7aba36055d476896ed6393ab35a119d5b.tar.gz
checkpatch: macros: fix statement counting block end detection
We are incorrectly counting the lines in a block while accumulating the trailing lines in a macro statement, leading to false positives. Fix end of block handling and general counting for negative context lines. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/checkpatch.pl23
1 files changed, 11 insertions, 12 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index b2b0648ee14..add86862325 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -470,7 +470,9 @@ sub ctx_statement_block {
}
$off++;
}
+ # We are truly at the end, so shuffle to the next line.
if ($off == $len) {
+ $loff = $len + 1;
$line++;
$remain--;
}
@@ -1793,30 +1795,26 @@ sub process {
$lines[$ln - 1] =~ /^(?:-|..*\\$)/)
{
$ctx .= $rawlines[$ln - 1] . "\n";
+ $cnt-- if ($lines[$ln - 1] !~ /^-/);
$ln++;
- $cnt--;
}
$ctx .= $rawlines[$ln - 1];
($dstat, $dcond, $ln, $cnt, $off) =
ctx_statement_block($linenr, $ln - $linenr + 1, 0);
#print "dstat<$dstat> dcond<$dcond> cnt<$cnt> off<$off>\n";
- #print "LINE<$lines[$ln]> len<" . length($lines[$ln]) . "\n";
+ #print "LINE<$lines[$ln-1]> len<" . length($lines[$ln-1]) . "\n";
# Extract the remainder of the define (if any) and
# rip off surrounding spaces, and trailing \'s.
$rest = '';
- if (defined $lines[$ln - 1] &&
- $off > length($lines[$ln - 1]))
- {
- $ln++;
- $cnt--;
- $off = 0;
- }
- while ($cnt > 0) {
- $rest .= substr($lines[$ln - 1], $off) . "\n";
+ while ($off != 0 || ($cnt > 0 && $rest =~ /(?:^|\\)\s*$/)) {
+ #print "ADDING $off <" . substr($lines[$ln - 1], $off) . ">\n";
+ if ($off != 0 || $lines[$ln - 1] !~ /^-/) {
+ $rest .= substr($lines[$ln - 1], $off) . "\n";
+ $cnt--;
+ }
$ln++;
- $cnt--;
$off = 0;
}
$rest =~ s/\\\n.//g;
@@ -1847,6 +1845,7 @@ sub process {
DEFINE_PER_CPU|
__typeof__\(
}x;
+ #print "REST<$rest>\n";
if ($rest ne '') {
if ($rest !~ /while\s*\(/ &&
$dstat !~ /$exceptions/)