Don't release on CFRef::Reset() to same instance (flutter/engine#4709)

2018-02-23 16:35:32 -08:00
parent 294daddbf1
commit 27245ea6de
1 changed files with 3 additions and 0 deletions
--- a/engine/src/flutter/fml/platform/darwin/cf_utils.h
+++ b/engine/src/flutter/fml/platform/darwin/cf_utils.h
@@ -26,6 +26,9 @@ class CFRef {
  }

  void Reset(T instance) {
+    if (instance_ == instance) {
+      return;
+    }
    if (instance_ != nullptr) {
      CFRelease(instance_);
    }