Re: [PATCH] USB: fix deadlock in HCD code

[Oliver Neukum]

Am Mittwoch 21 Mai 2008 16:46:45 schrieb Alan Stern:
> One possibility is that in an earlier call to finish_urb,
> usb_hcd_giveback_urb was called with interrupts disabled and returned 
> with interrupts enabled.  In other words, some driver's callback 
> routine may have enabled interrupts incorrectly.

Are we sure the interrupt line is not shared with another driver that calls
spin_unlock_irq() in its interrupt handler?

	Regards
		Oliver

--
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/