[PATCH v2] kernel-doc: handle spaces in array size

[Randy Dunlap]

From:	Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx>

Unfortunately, kernel-doc has problems with a struct field like this:
	uint8_t databuf[NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE];

simply due to the spaces around the "+" sign, so drop all spaces inside
[...] so that parsing is done correctly (in some sense).

Warning(linux-2.6.20-git15/include/linux/mtd/nand.h:304): No description found for parameter 'NAND_MAX_OOBSIZE]'

This needs to sit in -mm for awhile to see if it has any adverse effects.

And yes, this is just a hack until kernel-doc learns to do better
parsing.

Signed-off-by: Jan Engelhardt <jengelh@xxxxxx>
Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
---
 scripts/kernel-doc |    5 +++++
 1 file changed, 5 insertions(+)

--- linux-2.6.21-rc6.orig/scripts/kernel-doc
+++ linux-2.6.21-rc6/scripts/kernel-doc
@@ -1452,6 +1452,11 @@ sub create_parameterlist($$$) {
 	    $arg =~ s/\s*:\s*/:/g;
 	    $arg =~ s/\s*\[/\[/g;
 
+	    # no spaces inside [array size expression];
+	    # messes up split/pop/shift/unshift below;
+	    while ($arg =~ s/\[(.*)\s+(.*)\]/[$1$2]/) {
+	    }
+
 	    my @args = split('\s*,\s*', $arg);
 	    if ($args[0] =~ m/\*/) {
 		$args[0] =~ s/(\*+)\s*/ $1/;
-
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