Re: [PATCH 2/2] usbatm: Detect usb device shutdown and ignorefailed urbs.

From: Pete Zaitcev
Date: Thu Feb 22 2007 - 18:55:27 EST


On Thu, 22 Feb 2007 11:43:38 +0100, Duncan Sands <duncan.sands@xxxxxxxxxxxxxx> wrote:

> > + /* the module/device has probably been removed */
> > + if (urb->status == -ESHUTDOWN)
> > + return;
> > +
> > if (printk_ratelimit())
> > atm_warn(channel->usbatm, "%s: urb 0x%p failed (%d)!\n",
> > __func__, urb, urb->status);
>
> I would rather just suppress the warning in this case, and still do the delayed
> schedule of the tasklet, in case this error was spurious and we're not really
> about to be disconnected.

I disagree. If ESHUTDOWN is received, the endpoint is definitely gone.
I can see why you might want to retry EPROTO, ELISEQ, etc. but this
case is different.

-- Pete
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/