On Fri, Apr 30, 2010 at 03:37:56PM -0700, Sarah Sharp wrote: > When a device is disconnected, xhci_free_virt_device() is called. Ramya > found that if the device had streams enabled, and then the driver freed > the streams with a call to usb_free_streams(), then about a minute after > he had called this, his machine crashed with a Bad DMA error. It turns > out that xhci_free_virt_device() would attempt to free the endpoint's > stream_info data structure if it wasn't NULL, and the free streams > function was not setting it to NULL after freeing it. > > Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> > Tested-by: Ramya Desai <ramya.desai@xxxxxxxxx> Does this also need to go into the -stable trees? thanks, 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
