Re: Oops in usb-serial with keyspan adapter on current upstream

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

> Very clever.  Does this simpler patch also fix the problem?

Yes it does, thanks.

Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
> 
> Index: usb-2.6/drivers/usb/serial/usb-serial.c
> ===================================================================
> --- usb-2.6.orig/drivers/usb/serial/usb-serial.c
> +++ usb-2.6/drivers/usb/serial/usb-serial.c
> @@ -974,6 +974,7 @@ int usb_serial_probe(struct usb_interfac
>  		if (retval > 0) {
>  			/* quietly accept this device, but don't bind to a
>  			   serial port as it's about to disappear */
> +			serial->num_ports = 0;
>  			goto exit;
>  		}
>  	}
> 
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