On Wed, Jan 25, 2012 at 08:34:22PM +0100, Bjørn Mork wrote: > We're holding the global wdm_mutex through most of wdm_open, including > when it calls usb_autopm_get_interface. This call can block waiting for > a resume, which will need to look up the device list. So we deadlock. > > Fix by using a dedicated lock for the device list. > > Signed-off-by: Bjørn Mork <bjorn@xxxxxxx> > --- > v2: A spinlock makes more sense here, as pointed out by Oliver Neukum Oliver, any objection to me applying this patch? greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
