linux-kernel - [PATCH] script: get_abi.pl: escape "<" and ">" characters

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Date:   Wed, 24 Mar 2021 18:06:09 +0100
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Finn Behrens <me@...enk.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        linux-kernel@...r.kernel.org,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: [PATCH] script: get_abi.pl: escape "<" and ">" characters

After merging the akpm-current tree, today's linux-next build (htmldocs)
produced this warning:

	Documentation/ABI/testing/sysfs-kernel-mm-cma:2: WARNING: Inline interpreted text or phrase reference start-string without end-string.

Introduced by commit 439d477342a3 ("mm: cma: support sysfs")

As pointed by Jonathan, the problem is this text in
sysfs-kernel-mm-cma:

	Each CMA heap subdirectory (that is, each
	/sys/kernel/mm/cma/<cma-heap-name> directory) contains the
	following items:

Is not parsed well, becase the major/minor signs need to be
escaped, when converted into cross-references.

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Reported-by: Jonathan Corbet <corbet@....net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 scripts/get_abi.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/get_abi.pl b/scripts/get_abi.pl
index 92d9aa6cc4f5..79d195b48652 100755
--- a/scripts/get_abi.pl
+++ b/scripts/get_abi.pl
@@ -305,7 +305,7 @@ sub output_rest {
 		}
 
 		my $w = $what;
-		$w =~ s/([\(\)\_\-\*\=\^\~\\])/\\$1/g;
+		$w =~ s/([\(\)\_\-\*\=\^\~\\\<\>])/\\$1/g;
 
 		if ($type ne "File") {
 			my $cur_part = $what;
-- 
2.30.2