The patch titled
checkpatch: handle do without braces if we have enough context
has been added to the -mm tree. Its filename is
checkpatch-handle-do-without-braces-if-we-have-enough-context.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: checkpatch: handle do without braces if we have enough context
From: Andy Whitcroft <apw@xxxxxxxxxxxx>
If we have sufficient context detect and handle do without braces ({).
Else these incorrectly trigger a trailing statements error for the
associated while.
Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 27 ++++++++++++++++++++++++---
1 file changed, 24 insertions(+), 3 deletions(-)
diff -puN scripts/checkpatch.pl~checkpatch-handle-do-without-braces-if-we-have-enough-context scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatch-handle-do-without-braces-if-we-have-enough-context
+++ a/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*\(.*[^<>!=]=[^=].*/) {
_
Patches currently in -mm which might be from apw@xxxxxxxxxxxx are
mm-hugetlbc-make-functions-static-use-null-rather-than-0.patch
checkpatch-square-brackets-exemption-for-array-slices-in-braces.patch
checkpatch-values-double-ampersand-may-be-unary.patch
checkpatch-conditional-indent-labels-have-different-indent-rules.patch
checkpatch-switch-indent-allow-plain-return.patch
checkpatch-add-tests-for-the-attribute-matcher.patch
checkpatch-____cacheline_aligned-et-al-are-modifiers.patch
checkpatch-complex-macros-fix-up-extension-handling.patch
checkpatch-fix-up-comment-checks-search-to-scan-the-entire-block.patch
checkpatch-include-asm-checks-should-be-anchored.patch
checkpatch-reduce-warnings-for-include-of-asm-fooh-to-check-from-arch-barc.patch
checkpatch-report-any-absolute-references-to-kernel-source-files.patch
checkpatch-report-the-real-first-line-of-all-suspect-indents.patch
checkpatch-suspect-indent-skip-over-preprocessor-label-and-blank-lines.patch
checkpatch-%lx-tests-should-hand-%%-as-a-literal.patch
checkpatch-report-the-correct-lines-for-single-statement-blocks.patch
checkpatch-perform-indent-checks-on-perl.patch
checkpatch-version-022.patch
checkpatch-case-default-checks-should-only-check-changed-lines.patch
checkpatch-suppress-errors-triggered-by-short-patch.patch
checkpatch-handle-comment-quote-nesting-correctly.patch
checkpatch-check-line-endings-in-text-format-files.patch
checkpatch-suspect-indent-count-condition-lines-correctly.patch
checkpatch-ensure-we-only-apply-checks-to-the-lines-within-hunks.patch
checkpatch-version-023.patch
checkpatch-do-is-not-a-possible-type.patch
checkpatch-labels-are-not-possible-types.patch
checkpatch-handle-do-without-braces-if-we-have-enough-context.patch
checkpatch-macros-which-define-structure-members-are-not-complex.patch
checkpatch-accept-any-sized-le-be-type.patch
checkpatch-pull-out-known-acceptable-typedefs.patch
checkpatch-suspect-code-indent-must-stop-at-else-elif.patch
checkpatch-complex-macros-checks-miss-square-brackets.patch
checkpatch-define_-macros-are-real-definitions-for-exports.patch
checkpatch-trailing-statements-ensure-we-report-the-end-of-the-line.patch
checkpatch-suspect-indent-handle-macro-continuation.patch
checkpatch-allow-for-comments-either-side-of-a-brace-on-case.patch
checkpatch-version-024.patch
page-owner-tracking-leak-detector.patch
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