• Duncan Sands's avatar
    [PATCH] USB: fix WARN_ON in usbfs · b9c5051b
    Duncan Sands authored
    On Tuesday 27 April 2004 10:58, Oliver Neukum wrote:
    > Am Dienstag, 27. April 2004 00:14 schrieb Greg KH:
    > > On Mon, Apr 26, 2004 at 04:05:17PM +0200, Duncan Sands wrote:
    > > > diff -Nru a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
    > > > --- a/drivers/usb/core/devio.c	Mon Apr 26 13:48:28 2004
    > > > +++ b/drivers/usb/core/devio.c	Mon Apr 26 13:48:28 2004
    > > > @@ -350,8 +350,8 @@
    > > >  	 * all pending I/O requests; 2.6 does that.
    > > >  	 */
    > > >
    > > > -	if (ifnum < 8*sizeof(ps->ifclaimed))
    > > > -		clear_bit(ifnum, &ps->ifclaimed);
    > > > +	BUG_ON(ifnum >= 8*sizeof(ps->ifclaimed));
    > >
    > > I've changed that to a WARN_ON().  Yeah, writing over memory is bad, but
    > > oopsing is worse.  Let's be a bit nicer than that.
    >
    > You aren't nice that way. An oops has localised consequences. Scribbling
    > over memory can cause anything.
    
    Hi Greg, if won't accept a BUG_ON, how about the following?
    b9c5051b
devio.c 32.6 KB