From: Joe Perches <joe@xxxxxxxxxxx>
Subject: checkpatch: improve OPEN_BRACE test
Some structure definitions that use macros trip the OPEN_BRACE test.
e.g. +struct bpf_map_def SEC("maps") control_map = {
Improve the test by using $balanced_parens instead of a .*
Miscellanea:
o Use $sline so any comments are ignored
o Correct the message output from declaration to definition
o Remove unnecessary parentheses
Link: http://lkml.kernel.org/r/db9b772999d1d2fbda3b9ee24bbca81a87837e13.1517543491.git.joe@xxxxxxxxxxx
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Reported-by: Song Liu <songliubraving@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff -puN scripts/checkpatch.pl~checkpatch-improve-open_brace-test scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatch-improve-open_brace-test
+++ a/scripts/checkpatch.pl
@@ -3919,10 +3919,12 @@ sub process {
# function brace can't be on same line, except for #defines of do while,
# or if closed on same line
- if (($line=~/$Type\s*$Ident\(.*\).*\s*{/) and
- !($line=~/\#\s*define.*do\s\{/) and !($line=~/}/)) {
+ if ($^V && $^V ge 5.10.0 &&
+ $sline =~ /$Type\s*$Ident\s*$balanced_parens\s*\{/ &&
+ $sline !~ /\#\s*define\b.*do\s*\{/ &&
+ $sline !~ /}/) {
if (ERROR("OPEN_BRACE",
- "open brace '{' following function declarations go on the next line\n" . $herecurr) &&
+ "open brace '{' following function definitions go on the next line\n" . $herecurr) &&
$fix) {
fix_delete_line($fixlinenr, $rawline);
my $fixed_line = $rawline;
_
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