Re: usb: replace __setup("nousb") with __module_param_call

[Pete Zaitcev <zaitcev@redhat.com>]

On Thu, 22 Dec 2005 01:10:52 -0500, Dmitry Torokhov <dtor_core@ameritech.net> wrote:
> On Tuesday 20 December 2005 17:15, Pete Zaitcev wrote:

> > Fedora users complain that passing "nousbstorage" to the installer causes
> > the rest of the USB support to disappear. The installer uses kernel command
> > line as a way to pass options through Syslinux. The problem stems from the
> > use of strncmp() in obsolete_checksetup().

> I wonder if that strncmp() should be changed into something like
> this (untested):
> 
> --- work.orig/init/main.c
> +++ work/init/main.c
> @@ -167,7 +167,7 @@ static int __init obsolete_checksetup(ch
>  	p = __setup_start;
>  	do {
>  		int n = strlen(p->str);
> -		if (!strncmp(line, p->str, n)) {
> +		if (!strncmp(line, p->str, n) && !isalnum(line[n])) {
>  			if (p->early) {

Are you sure that your fix works well in case of __setup("foo=")?
It probably breaks all of those.

-- Pete