linux-kernel - [PATCH v4 09/11] scripts: kernel-doc: Replace the usage function

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Date:   Fri, 18 Feb 2022 19:16:26 +0100
From:   Tomasz Warniełło 
        <tomasz.warniello@...il.com>
To:     corbet@....net
Cc:     Tomasz Warniełło 
        <tomasz.warniello@...il.com>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 09/11] scripts: kernel-doc: Replace the usage function

Aim: unified POD, user more satisfied, script better structured

You can see the results with:

$ scripts/kernel-doc -help

Signed-off-by: Tomasz Warniełło <tomasz.warniello@...il.com>
---

This ends the fundamental POD transformation.
---
 scripts/kernel-doc | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 4a26a74318e6..d7ca4877eeda 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -79,15 +79,6 @@ See Documentation/doc-guide/kernel-doc.rst for the documentation comment syntax.
 # 25/07/2012 - Added support for HTML5
 # -- Dan Luedtke <mail@...rl.de>
 
-sub usage {
-    my $message = <<"EOF";
-Usage: $0 [OPTION ...] FILE ...
-
-EOF
-    print $message;
-    exit 1;
-}
-
 #
 # format of comments.
 # In the following table, (...)? signifies optional structure.
@@ -468,7 +459,7 @@ while ($ARGV[0] =~ m/^--?(.*)/) {
     } elsif ($cmd eq "Werror") {
 	$Werror = 1;
     } elsif (($cmd eq "h") || ($cmd eq "help")) {
-	usage();
+		pod2usage(-exitval => 0, -verbose => 2);
     } elsif ($cmd eq 'no-doc-sections') {
 	    $no_doc_sections = 1;
     } elsif ($cmd eq 'enable-lineno') {
-- 
2.30.2