linux-kernel - [PATCH v3 6/7] scripts: get_abi.pl: Ignore fs/cgroup sysfs nodes earlier

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Date:   Sat, 18 Sep 2021 11:52:16 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "Jonathan Corbet" <corbet@....net>, linux-kernel@...r.kernel.org
Subject: [PATCH v3 6/7] scripts: get_abi.pl: Ignore fs/cgroup sysfs nodes earlier

In order to speedup the parser and store less data, handle
fs/cgroup exceptions a lot earlier.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 scripts/get_abi.pl | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/scripts/get_abi.pl b/scripts/get_abi.pl
index fe83f295600c..aa0a751563ba 100755
--- a/scripts/get_abi.pl
+++ b/scripts/get_abi.pl
@@ -550,6 +550,10 @@ my @files;
 my $escape_symbols = qr { ([\x01-\x08\x0e-\x1f\x21-\x29\x2b-\x2d\x3a-\x40\x7b-\xfe]) }x;
 sub parse_existing_sysfs {
 	my $file = $File::Find::name;
+
+	# Ignore cgroup and firmware
+	return if ($file =~ m#^/sys/(fs/cgroup|firmware)/#);
+
 	my $mode = (lstat($file))[2];
 	my $abs_file = abs_path($file);
 
@@ -570,9 +574,6 @@ sub parse_existing_sysfs {
 sub check_undefined_symbols {
 	foreach my $file (sort @files) {
 
-		# Ignore cgroup and firmware
-		next if ($file =~ m#^/sys/(fs/cgroup|firmware)/#);
-
 		my $defined = 0;
 		my $exact = 0;
 		my $whats = "";
-- 
2.31.1