Input Server: style fix, compare with 0 explicitly
Input Server: Fix double free.

CID610594
XHCI USB: Fixes.

* Add support for hubs in AllocateDevice().
* Prevent page fault in FinishTransfers().
* Set fCapabilityLength
* Correct in BIOS ownership code
* Fix context errors in _InsertEndpointForPipe().
* Update constants according to latest Specification (v1.1)
* Fix SMI code (reference
http://lkml.iu.edu/hypermail/linux/kernel/1204.2/02460.html).
* Fix Memory/Device-Slot leaks.
* Fix area allocation for TRBs.
* Fix for Intel Lynx Point and Panther Point chipsets. Also move init
of xhci before ehci, to switch USB 2.0 ports before the ehci module
discovers them.

Signed-off-by: Jérôme Duval <jerome.duval@gmail.com>
Revert unrelated part of 17aa359b5df69f658b4b33e29546c9fb2f0cfce3.
XHCI USB: Some more fixes.

* Fix device speed identification.
* Fix Max Packet Size for Full-Speed devices.
* Fix IRQ rate.
* Update slot context for LS/FS devices connected to non-root HS hub.
* Fix typo.

Signed-off-by: Jérôme Duval <jerome.duval@gmail.com>
Adapt userlandfs kernel-addon to atomic_* API changes.

* Remove volatile qualifiers, use atomic_get() for safe access

* Fixes build of userlandfs
Adapt kernelland_emu to kernel API changes

* Adapt to changes in kernel synchronization APIs.

* Makes userlandfs work again.
Use BPathFinder to find userlandfs add-ons

* ...to make it work with packaged and non-packaged.
Debugger: Fix minor issue noted in #11003.

- Reset tooltip when it's no longer needed (i.e. if the file path changes).
  Otherwise, we'd erroneously show the old tooltip if the new path was short
  enough to no longer be truncated, as would often happen after locating a
  missing source file.
Build fix.