diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 08894f4..f5862ab 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -719,6 +719,7 @@
 	    # pointer-to-function
 	    print "  $1 $parameter) ($2);\n";
 	} elsif ($type =~ m/^(.*?)\s*(:.*)/) {
+	    # bitfield
 	    print "  $1 $parameter$2;\n";
 	} else {
 	    print "  ".$type." ".$parameter.";\n";
@@ -1261,6 +1262,7 @@
 	    # pointer-to-function
 	    print "\t$1 $parameter) ($2);\n";
 	} elsif ($type =~ m/^(.*?)\s*(:.*)/) {
+	    # bitfield
 	    print "\t$1 $parameter$2;\n";
 	} else {
 	    print "\t".$type." ".$parameter.";\n";
@@ -1697,6 +1699,8 @@
     my $x = shift;
     my $file = shift;
 
+    $x =~ s@\/\/.*$@@gos; # strip C99-style comments to end of line
+
     if ($x =~ m#\s*/\*\s+MACDOC\s*#io || ($x =~ /^#/ && $x !~ /^#define/)) {
 	# do nothing
     }
@@ -1719,6 +1723,8 @@
     $x =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
     $x =~ s@^\s+@@gos; # strip leading spaces
     $x =~ s@\s+$@@gos; # strip trailing spaces
+    $x =~ s@\/\/.*$@@gos; # strip C99-style comments to end of line
+
     if ($x =~ /^#/) {
 	# To distinguish preprocessor directive from regular declaration later.
 	$x .= ";";
@@ -1802,7 +1808,7 @@
 
 		$state = 2;
 		if (/-(.*)/) {
-		    # strip leading/trailing/multiple spaces #RDD:T:
+		    # strip leading/trailing/multiple spaces
 		    $descr= $1;
 		    $descr =~ s/^\s*//;
 		    $descr =~ s/\s*$//;