Currently kernel-doc generates a dummy DocBook file when asked to
convert a C source file with no structured comments.  For an
out-of-tree build (objtree != srctree), the title of the output file
is the absolute path name of the C source file, which later results
in a manual page being created alongside the C source file.

Change the title to be a relative path.

Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
 scripts/kernel-doc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 0ac1a07..e5a753f 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2351,12 +2351,13 @@ sub process_file($) {
     my $descr;
     my $in_purpose = 0;
     my $initial_section_counter = $section_counter;
+    my ($orig_file) = @_;
 
     if (defined($ENV{'SRCTREE'})) {
-       $file = "$ENV{'SRCTREE'}" . "/" . "@_";
+       $file = "$ENV{'SRCTREE'}" . "/" . $orig_file;
     }
     else {
-       $file = "@_";
+       $file = $orig_file;
     }
     if (defined($source_map{$file})) {
        $file = $source_map{$file};
@@ -2565,7 +2566,7 @@ sub process_file($) {
            print "<refentry>\n";
            print " <refnamediv>\n";
            print "  <refname>\n";
-           print "   ${file}\n";
+           print "   ${orig_file}\n";
            print "  </refname>\n";
            print "  <refpurpose>\n";
            print "   Document generation inconsistency\n";
@@ -2579,7 +2580,7 @@ sub process_file($) {
            print "   <para>\n";
            print "    The template for this document tried to insert\n";
            print "    the structured comment from the file\n";
-           print "    <filename>${file}</filename> at this point,\n";
+           print "    <filename>${orig_file}</filename> at this point,\n";
            print "    but none was found.\n";
            print "    This dummy section is inserted to allow\n";
            print "    generation to continue.\n";

-- 
Ben Hutchings
The first rule of tautology club is the first rule of tautology club.

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