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usb_drv: release interfaces on Usb session close

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Interfaces that have been claimed by a component always have to be
released when the session is closed in case the component
malfunctioned.

Fixes #1869.
This commit is contained in:
Josef Söntgen 2016-01-29 16:28:41 +01:00 committed by Christian Helmuth
parent 245dfc2c08
commit 46e4c3dc9b
1 changed files with 7 additions and 0 deletions
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7
repos/dde_linux/src/lib/usb/raw/raw.cc
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@ -576,6 +576,13 @@ class Usb::Session_component : public Session_rpc_object,
~Session_component()
{
/* release claimed interfaces */
if (_device) {
unsigned const num = _device->udev->actconfig->desc.bNumInterfaces;
for (unsigned i = 0; i < num; i++)
release_interface(i);
}
_worker.stop();
}