kernel-doc: allow unnamed bit-fields

Allow for unnamed bit-fields and skip them instead of printing an
erroneous warning message for them, such as:

Warning(include/asm-s390/cio.h:103): No description found for parameter 'u32'

which contains:

struct tm_scsw {
	u32 :1;

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 83cee18..88e3934 100755 (executable)
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1556,7 +1556,9 @@ sub create_parameterlist($$$) {
                    push_parameter($2, "$type $1", $file);
                }
                elsif ($param =~ m/(.*?):(\d+)/) {
-                   push_parameter($1, "$type:$2", $file)
+                   if ($type ne "") { # skip unnamed bit-fields
+                       push_parameter($1, "$type:$2", $file)
+                   }
                }
                else {
                    push_parameter($param, $type, $file);