kernel-doc: allow more whitespace in macros

Allow macros that are annotated with kernel-doc to contain whitespace
between the '#' and "define".  It's valid and being used, so allow it.

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

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 44ee94d2ab761ba46b1f8f155009d78dbac2daad..a53e2fc8dfb539575fa2e6f2001cb79b83251b8a 100755 (executable)
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1648,7 +1648,7 @@ sub dump_function($$) {
     $prototype =~ s/^noinline +//;
     $prototype =~ s/__devinit +//;
     $prototype =~ s/__init +//;
-    $prototype =~ s/^#define\s+//; #ak added
+    $prototype =~ s/^#\s*define\s+//; #ak added
     $prototype =~ s/__attribute__\s*\(\([a-z,]*\)\)//;
 
     # Yes, this truly is vile.  We are looking for:
@@ -1764,13 +1764,13 @@ sub process_state3_function($$) {
 
     $x =~ s@\/\/.*$@@gos; # strip C99-style comments to end of line
 
-    if ($x =~ m#\s*/\*\s+MACDOC\s*#io || ($x =~ /^#/ && $x !~ /^#define/)) {
+    if ($x =~ m#\s*/\*\s+MACDOC\s*#io || ($x =~ /^#/ && $x !~ /^#\s*define/)) {
        # do nothing
     }
     elsif ($x =~ /([^\{]*)/) {
        $prototype .= $1;
     }
-    if (($x =~ /\{/) || ($x =~ /\#define/) || ($x =~ /;/)) {
+    if (($x =~ /\{/) || ($x =~ /\#\s*define/) || ($x =~ /;/)) {
        $prototype =~ s@/\*.*?\*/@@gos; # strip comments.
        $prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
        $prototype =~ s@^\s+@@gos; # strip leading spaces