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>

1 files changed, 3 insertions, 1 deletions

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 83cee18a02e9..88e3934a8b8c 100755
--- 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);