1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86_64/src/memory/heap/linked_list_allocator.cpp b/arch/x86_64/src/memory/heap/linked_list_allocator.cpp
index 6600c6e..d0bf8e6 100644
--- a/arch/x86_64/src/memory/heap/linked_list_allocator.cpp
+++ b/arch/x86_64/src/memory/heap/linked_list_allocator.cpp
@@ -36,11 +36,13 @@ namespace teachos::arch::memory::heap
     {
       if (current->size == size)
       {
-        return remove_free_memory_block(previous, current);
+        auto const memory_address = remove_free_memory_block(previous, current);
+        mutex.unlock();
+        return memory_address;
       }
       else if (current->size >= size + min_allocatable_size())
       {
-        auto memory_address = split_free_memory_block(previous, current, size);
+        auto const memory_address = split_free_memory_block(previous, current, size);
         mutex.unlock();
         return memory_address;
       }