kernel-doc: reset contents and section harder

If the documentation comment does not have params or sections, the
section heading may leak from the previous documentation comment.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 3ac4b57..0eb2e7b 100755 (executable)
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2763,6 +2763,8 @@ sub process_file($) {
                }
 
                $state = STATE_FIELD;
+               $contents = "";
+               $section = $section_default;
                if (/-(.*)/) {
                    # strip leading/trailing/multiple spaces
                    $descr= $1;
@@ -2960,6 +2962,7 @@ sub process_file($) {
                elsif (/$doc_end/)
                {
                        dump_doc_section($file, $section, xml_escape($contents));
+                       $section = $section_default;
                        $contents = "";
                        $function = "";
                        %parameterdescs = ();