[PATCH 4.19 237/346] checkpatch: fix unescaped left brace

Greg Kroah-Hartman
2020-12-28T13:32:24Z

From: Dwaipayan Ray <dwaipayanray1@gmail.com>

[ Upstream commit 03f4935135b9efeb780b970ba023c201f81cf4e6 ]

There is an unescaped left brace in a regex in OPEN_BRACE check. This
throws a runtime error when checkpatch is run with --fix flag and the
OPEN_BRACE check is executed.

Fix it by escaping the left brace.

Link: https://lkml.kernel.org/r/20201115202928.81955-1-dwaipayanray1@gmail.com
Fixes: 8d1824780f2f ("checkpatch: add --fix option for a couple OPEN_BRACE misuses")
Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
scripts/checkpatch.pl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 7eb944cbbaeab..2e31ec1378219 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4059,7 +4059,7 @@ sub process {
$fix) {
fix_delete_line($fixlinenr, $rawline);
my $fixed_line = $rawline;
- $fixed_line =~ /(^..*$Type\s*$Ident\(.*\)\s*){(.*)$/;
+ $fixed_line =~ /(^..*$Type\s*$Ident\(.*\)\s*)\{(.*)$/;
my $line1 = $1;
my $line2 = $2;
fix_insert_line($fixlinenr, ltrim($line1));
--
2.27.0