nvdrv: Unregister already registered events

This commit is contained in:
Chloe Marcec 2021-01-23 22:02:14 +11:00
parent 12355cbf02
commit 3b0458a7a5
1 changed files with 8 additions and 1 deletions

View File

@ -155,7 +155,14 @@ NvResult nvhost_ctrl::IocCtrlEventRegister(const std::vector<u8>& input, std::ve
return NvResult::BadParameter;
}
if (events_interface.registered[event_id]) {
return NvResult::BadParameter;
const auto event_state = events_interface.status[event_id];
if (event_state == EventState::Registered || event_state == EventState::Waiting ||
event_state == EventState::Busy) {
LOG_WARNING(Service_NVDRV, "Event already registered! Unregistering previous event");
events_interface.UnregisterEvent(event_id);
} else {
return NvResult::BadParameter;
}
}
events_interface.RegisterEvent(event_id);
return NvResult::Success;