[PATCH] kernel-doc: allow unnamed structs/unions

Make kernel-doc support unnamed (anonymous) structs and unions.  There is
one (union) in include/linux/skbuff.h (inside struct sk_buff) that is
currently generating a kernel-doc warning, so this fixes that warning.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index df3b272f7ce6b1d47bc2014b9c5f18e9ec763d2b..f50a70f550b39b37566269d466eaebd33de50ea6 100755 (executable)
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1469,6 +1469,7 @@ sub push_parameter($$$) {
        my $param = shift;
        my $type = shift;
        my $file = shift;
+       my $anon = 0;
 
        my $param_name = $param;
        $param_name =~ s/\[.*//;
@@ -1484,9 +1485,20 @@ sub push_parameter($$$) {
            $param="void";
            $parameterdescs{void} = "no arguments";
        }
+       elsif ($type eq "" && ($param eq "struct" or $param eq "union"))
+       # handle unnamed (anonymous) union or struct:
+       {
+               $type = $param;
+               $param = "{unnamed_" . $param. "}";
+               $parameterdescs{$param} = "anonymous\n";
+               $anon = 1;
+       }
+
        # warn if parameter has no description
-       # (but ignore ones starting with # as these are no parameters
-       # but inline preprocessor statements
+       # (but ignore ones starting with # as these are not parameters
+       # but inline preprocessor statements);
+       # also ignore unnamed structs/unions;
+       if (!$anon) {
        if (!defined $parameterdescs{$param_name} && $param_name !~ /^#/) {
 
            $parameterdescs{$param_name} = $undescribed;
@@ -1500,6 +1512,7 @@ sub push_parameter($$$) {
                         " No description found for parameter '$param'\n";
            ++$warnings;
         }
+        }
 
        push @parameterlist, $param;
        $parametertypes{$param} = $type;