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[CPU] Added a check for queryprotect result in MMIO #2232

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[CPU] Added a check for queryprotect result in MMIO #2232

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5 changes: 3 additions & 2 deletions src/xenia/cpu/mmio_handler.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -437,8 +437,9 @@ bool MMIOHandler::ExceptionCallback(Exception* ex) {
auto lock = global_critical_region_.Acquire();
memory::PageAccess cur_access;
size_t page_length = memory::page_size();
memory::QueryProtect(fault_host_address, page_length, cur_access);
if (cur_access != memory::PageAccess::kNoAccess &&
bool protect_result =
memory::QueryProtect(fault_host_address, page_length, cur_access);
if (protect_result == true && cur_access != memory::PageAccess::kNoAccess &&
(!is_write || cur_access != memory::PageAccess::kReadOnly)) {
// Another thread has cleared this watch. Abort.
return true;
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