linux-kernel - [PATCH] kernel-doc: allow structs whose members are all private

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Message-Id: <20080915100229.cf32f74e.randy.dunlap@oracle.com>
Date:	Mon, 15 Sep 2008 10:02:29 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	akpm <akpm@...ux-foundation.org>, samr <sam@...nborg.org>,
	Roland McGrath <roland@...hat.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: [PATCH] kernel-doc: allow structs whose members are all private

From: Randy Dunlap <randy.dunlap@...cle.com>

Fix kernel-doc to handle structs whose members are all private;
otherwise invalid XML is generated:

xmlto: input does not validate (status 3)
linux-2.6.27-rc6-git4/Documentation/DocBook/debugobjects.xml:146: element variablelist: validity error : Element variablelist content does not follow the DTD, expecting ((title , titleabbrev?)? , varlistentry+), got ()
Document linux-2.6.27-rc6-git4/Documentation/DocBook/debugobjects.xml does not validate
make[1]: *** [Documentation/DocBook/debugobjects.html] Error 3

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
Reported-by: Roland McGrath <roland@...hat.com>
cc: Roland McGrath <roland@...hat.com>
cc: Christoph Hellwig <hch@...radead.org>
---
 scripts/kernel-doc |    4 ++++
 1 file changed, 4 insertions(+)

--- linux-2.6.27-rc6-git4.orig/scripts/kernel-doc
+++ linux-2.6.27-rc6-git4/scripts/kernel-doc
@@ -781,6 +781,7 @@ sub output_struct_xml(%) {
     print " <refsect1>\n";
     print "  <title>Members</title>\n";
 
+    if ($#{$args{'parameterlist'}} >= 0) {
     print "  <variablelist>\n";
     foreach $parameter (@{$args{'parameterlist'}}) {
       ($parameter =~ /^#/) && next;
@@ -798,6 +799,9 @@ sub output_struct_xml(%) {
       print "    </varlistentry>\n";
     }
     print "  </variablelist>\n";
+    } else {
+	print " <para>\n  None\n </para>\n";
+    }
     print " </refsect1>\n";
 
     output_section_xml(@_);
--
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