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usb_report_filter: check device ds

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Make sure we actually can report devices on USB driver device updates.

related to #2527
This commit is contained in:
Sebastian Sumpf 2017-09-25 15:53:28 +02:00 committed by Christian Helmuth
parent 7c269cb933
commit 754d1bd4a3
1 changed files with 2 additions and 0 deletions
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repos/os/src/app/usb_report_filter/main.cc
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@ -299,6 +299,8 @@ class Usb_filter::Device_registry
{ {
using namespace Genode; using namespace Genode;
if (!_devices_rom.valid()) return;
/* /*
* XXX it might happen that the device list has changed after we are * XXX it might happen that the device list has changed after we are
* waiting for the usb_drv_config update * waiting for the usb_drv_config update