1 files changed, 54 insertions, 48 deletions

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 39580a5dc5d..9f85012acf0 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -155,6 +155,8 @@ use strict;
 # '@parameter' - name of a parameter
 # '%CONST' - name of a constant.
 
+## init lots of data
+
 my $errors = 0;
 my $warnings = 0;
 my $anon_struct_union = 0;
@@ -218,21 +220,14 @@ my %highlights_list = ( $type_constant, "\$1",
                         $type_param, "\$1" );
 my $blankline_list = "";
 
-sub usage {
-    print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -list ]\n";
-    print "         [ -no-doc-sections ]\n";
-    print "         [ -function funcname [ -function funcname ...] ]\n";
-    print "         [ -nofunction funcname [ -nofunction funcname ...] ]\n";
-    print "         c source file(s) > outputfile\n";
-    print "         -v : verbose output, more warnings & other info listed\n";
-    exit 1;
-}
-
 # read arguments
 if ($#ARGV == -1) {
     usage();
 }
 
+my $kernelversion;
+my $dohighlight = "";
+
 my $verbose = 0;
 my $output_mode = "man";
 my $no_doc_sections = 0;
@@ -245,7 +240,7 @@ my $man_date = ('January', 'February', 'March', 'April', 'May', 'June',
                 'November', 'December')[(localtime)[4]] .
   " " . ((localtime)[5]+1900);
 
-# Essentially these are globals
+# Essentially these are globals.
 # They probably want to be tidied up, made more localised or something.
 # CAVEAT EMPTOR!  Some of the others I localised may not want to be, which
 # could cause "use of undefined value" or other bugs.
@@ -353,6 +348,18 @@ while ($ARGV[0] =~ m/^-(.*)/) {
     }
 }
 
+# continue execution near EOF;
+
+sub usage {
+    print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -list ]\n";
+    print "         [ -no-doc-sections ]\n";
+    print "         [ -function funcname [ -function funcname ...] ]\n";
+    print "         [ -nofunction funcname [ -nofunction funcname ...] ]\n";
+    print "         c source file(s) > outputfile\n";
+    print "         -v : verbose output, more warnings & other info listed\n";
+    exit 1;
+}
+
 # get kernel version from env
 sub get_kernel_version() {
     my $version = 'unknown kernel version';
@@ -362,15 +369,6 @@ sub get_kernel_version() {
     }
     return $version;
 }
-my $kernelversion = get_kernel_version();
-
-# generate a sequence of code that will splice in highlighting information
-# using the s// operator.
-my $dohighlight = "";
-foreach my $pattern (keys %highlights) {
-#   print STDERR "scanning pattern:$pattern, highlight:($highlights{$pattern})\n";
-    $dohighlight .=  "\$contents =~ s:$pattern:$highlights{$pattern}:gs;\n";
-}
 
 ##
 # dumps section contents to arrays/hashes intended for that purpose.
@@ -1851,34 +1849,6 @@ sub dump_function($$) {
                        });
 }
 
-sub process_file($);
-
-# Read the file that maps relative names to absolute names for
-# separate source and object directories and for shadow trees.
-if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {
-        my ($relname, $absname);
-        while(<SOURCE_MAP>) {
-                chop();
-                ($relname, $absname) = (split())[0..1];
-                $relname =~ s:^/+::;
-                $source_map{$relname} = $absname;
-        }
-        close(SOURCE_MAP);
-}
-
-foreach (@ARGV) {
-    chomp;
-    process_file($_);
-}
-if ($verbose && $errors) {
-  print STDERR "$errors errors\n";
-}
-if ($verbose && $warnings) {
-  print STDERR "$warnings warnings\n";
-}
-
-exit($errors);
-
 sub reset_state {
     $function = "";
     %constants = ();
@@ -2285,3 +2255,39 @@ sub process_file($) {
         }
     }
 }
+
+
+$kernelversion = get_kernel_version();
+
+# generate a sequence of code that will splice in highlighting information
+# using the s// operator.
+foreach my $pattern (keys %highlights) {
+#   print STDERR "scanning pattern:$pattern, highlight:($highlights{$pattern})\n";
+    $dohighlight .=  "\$contents =~ s:$pattern:$highlights{$pattern}:gs;\n";
+}
+
+# Read the file that maps relative names to absolute names for
+# separate source and object directories and for shadow trees.
+if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {
+        my ($relname, $absname);
+        while(<SOURCE_MAP>) {
+                chop();
+                ($relname, $absname) = (split())[0..1];
+                $relname =~ s:^/+::;
+                $source_map{$relname} = $absname;
+        }
+        close(SOURCE_MAP);
+}
+
+foreach (@ARGV) {
+    chomp;
+    process_file($_);
+}
+if ($verbose && $errors) {
+  print STDERR "$errors errors\n";
+}
+if ($verbose && $warnings) {
+  print STDERR "$warnings warnings\n";
+}
+
+exit($errors);