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checkpatch: fix macro argument precedence test
author
Joe Perches
<joe@perches.com>
Fri, 25 May 2018 21:48:04 +0000
(14:48 -0700)
committer
Linus Torvalds
<torvalds@linux-foundation.org>
Sat, 26 May 2018 01:12:11 +0000
(18:12 -0700)
checkpatch's macro argument precedence test is broken so fix it.
Link:
http://lkml.kernel.org/r/5dd900e9197febc1995604bb33c23c136d8b33ce.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
scripts/checkpatch.pl
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diff --git
a/scripts/checkpatch.pl
b/scripts/checkpatch.pl
index
e16d671
..
2d42eb9
100755
(executable)
--- a/
scripts/checkpatch.pl
+++ b/
scripts/checkpatch.pl
@@
-5041,7
+5041,7
@@
sub process {
$tmp_stmt =~ s/\b(typeof|__typeof__|__builtin\w+|typecheck\s*\(\s*$Type\s*,|\#+)\s*\(*\s*$arg\s*\)*\b//g;
$tmp_stmt =~ s/\#+\s*$arg\b//g;
$tmp_stmt =~ s/\b$arg\s*\#\#//g;
- my $use_cnt =
$tmp_stmt =~ s/\b$arg\b/
/g;
+ my $use_cnt =
() = $tmp_stmt =~ /\b$arg\b
/g;
if ($use_cnt > 1) {
CHK("MACRO_ARG_REUSE",
"Macro argument reuse '$arg' - possible side-effects?\n" . "$herectx");