Avoid raw lock/unlock calls

1 files changed, 1 insertions, 2 deletions

diff --git a/alc/backends/null.cpp b/alc/backends/null.cpp
index aca59605..bc2a0c9c 100644
--- a/alc/backends/null.cpp
+++ b/alc/backends/null.cpp
@@ -86,9 +86,8 @@ int NullBackend::mixerProc()
         }
         while(avail-done >= mDevice->UpdateSize)
         {
-            lock();
+            std::lock_guard<NullBackend> _{*this};
             aluMixData(mDevice, nullptr, mDevice->UpdateSize);
-            unlock();
             done += mDevice->UpdateSize;
         }