kernel-doc: strip C99 comments

Strip C99-style comments from the input stream.
/*...*/ comments are already stripped.
C99 comments confuse the kernel-doc script.

Also update some comments.

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

1 files changed, 7 insertions, 1 deletions

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 08894f4aab2c..f5862abe0311 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -719,6 +719,7 @@ sub output_struct_xml(%) {
             # 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 @@ sub output_struct_text(%) {
             # 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 @@ sub process_state3_function($$) {
     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 @@ sub process_state3_type($$) {
     $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.
         $x .= ";";
@@ -1802,7 +1808,7 @@ sub process_file($) {
 
                 $state = 2;
                 if (/-(.*)/) {
-                    # strip leading/trailing/multiple spaces #RDD:T:
+                    # strip leading/trailing/multiple spaces
                     $descr= $1;
                     $descr =~ s/^\s*//;
                     $descr =~ s/\s*$//;