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-rw-r--r--src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
index fea3b7b9f..73cd5a889 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
@@ -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;