[Base] Fix Semaphore::Create invalid parameters

vngkv123 · Mar 8, 2022 · e75e0eb · e75e0eb
1 parent bb42829
commit e75e0eb
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/xenia/base/threading_posix.cc b/src/xenia/base/threading_posix.cc
@@ -975,6 +975,10 @@ class PosixSemaphore : public PosixConditionHandle<Semaphore> {
 
 std::unique_ptr<Semaphore> Semaphore::Create(int initial_count,
                                              int maximum_count) {
+  if (initial_count < 0 || initial_count > maximum_count ||
+      maximum_count <= 0) {
+    return nullptr;
+  }
   return std::make_unique<PosixSemaphore>(initial_count, maximum_count);
 }