On Tue, May 04, 2010 at 12:15:02PM -0700, Greg KH wrote: > 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? Oh nevermind, stream code isn't in the -stable trees :) /me goes and gets another cup of coffee -- 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
