Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20150320-1' into staging
usb: bugfix collection.
# gpg: Signature made Fri Mar 20 07:51:19 2015 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-usb-20150320-1:
ehci: fix segfault when hot-unplugging ehci controller
ohci: fix resource cleanup leak
uhci: fix segfault when hot-unplugging uhci controller
hw/usb: Include USB files only if necessary
usb/dev-storage: Avoid qerror_report_err() outside QMP handlers
usb/dev-storage: Fix QMP device_add missing encryption key failure
monitor usb: Inline monitor_read_bdrv_key_start()'s first part
monitor: Plug memory leak in monitor_read_bdrv_key_start()
monitor: Drop dead QMP check from monitor_read_password()
uhci: Convert to realize
ohci: Complete conversion to realize
usb: Improve companion configuration error messages
usb: Propagate errors through usb_register_companion()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>