On Tue, Sep 03, 2013 at 09:52:52AM +0800, Huang Rui wrote: > On Tue, Sep 03, 2013 at 02:14:14AM +0800, Giovanni wrote: > > > On Sat, Aug 31, 2013 at 12:11:49AM > > > +0800, Giovanni wrote: > > > > > > > > > > I drafted a patch, please have a test and enable > > > CONFIG_XHCI_HCD_DEBUGGING in kernel configuration at same > > > time. > > > > > > 8<---------------------- cut here > > >---------------------------- > > > > > > > > >Thanks, > > >Rui > > > > I tried your patch. This is new log after kernel panic: https://bugzilla.kernel.org/attachment.cgi?id=107386 > > I have enabled CONFIG_USB_XHCI_HCD_DEBUGGING, but I can't see none debug message for XHCI. > > I have /proc/sys/kernel/printk to 7. I do something wrong? > > > > Sorry, I fogot to tell you CONFIG_USB_DEBUG also need to be enabled. > Could you rebuild again? > Please apply this patch based my last patch, and have a test again. 8<-------------------------- cut here ---------------------------- diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index f2e57a1..61a9532 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -493,6 +493,9 @@ struct xhci_ring *xhci_stream_id_to_ring( { struct xhci_virt_ep *ep = &dev->eps[ep_index]; + if (!ep) + return NULL; + if (stream_id == 0) return ep->ring; if (!ep->stream_info) --- Thanks, Rui -- 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
