tree d97f96f9fc8f11431570a15d00731fc246c3724a
parent d9d16e8a92e385c9f57d2081b7aa737770a0a829
author Inaky Perez-Gonzalez <inaky@linux.intel.com> 1185939246 -0700
committer Greg Kroah-Hartman <gregkh@suse.de> 1192226107 -0700

usb: introduce usb_authorize/deauthorize()

These USB API functions will do the full authorization/deauthorization
to be used for a device. When authorized we effectively allow a
configuration to be set. Reverse that when deauthorized.

Effectively this means that we have to clean all the configuration
descriptors on deauthorize and reload them when we authorized. We could
do without throwing them out for wired devices, but for wireless, we can
read them only after authenticating, and thus, when authorizing an
authenticated device we would need to read them. So to simplify, always
release them on deauthorize(), re-read them on authorize().

Also fix leak reported by Ragner Magalhaes; in usb_deauthorize_device(),
bNumConfigurations was being set to zero before the for loop, and thus
the different raw descriptors where never being freed.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>