Re: linux-next crash in xhci_add_ep_to_interval
From: Dan Williams
Date: Thu Jun 05 2014 - 17:13:49 EST
On Thu, Jun 5, 2014 at 2:10 PM, <Valdis.Kletnieks@xxxxxx> wrote:
> On Thu, 05 Jun 2014 12:05:56 -0700, Dan Williams said:
>> Subject: usb: fix ->update_hub_device() vs hdev->maxchild
>> From: Dan Williams <dan.j.williams@xxxxxxxxx>
>> Commit d8521afe3586 "usb: assign default peer ports for root hubs"
>> delayed marking a hub valid (set hdev->maxchild) until it had been fully
>> configured and to enable the publishing of valid hubs to be serialized
>> by usb_port_peer_mutex.
>> However, xhci_update_hub_device() in some cases depends on
>> hdev->maxchild already being set. Do the minimal fix and move it after
>> the setting of hdev->maxchild.
>> Cc: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
>> Reported-by: Valdis Kletnieks <Valdis.Kletnieks@xxxxxx>
>> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> Applied cleanly, booted without complaint, the keyboard that's behind
> the PS2-USB converter works.
> uname -r reports 3.15.0-rc8-next-20140605-dirty as expected.
> So feel free to stick a Tested-By: on there. :)
Thank you, much appreciated!
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