common/tracked_int_ptr: fix operator= return value

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/common/tracked_int_ptr.hpp b/src/common/tracked_int_ptr.hpp
index 5752906b18cddc038ecff0b82c858d80d16148f7..d797e01a3ff1defc16b1922a028a3a9b480a6e7c 100644 (file)
--- a/src/common/tracked_int_ptr.hpp
+++ b/src/common/tracked_int_ptr.hpp
@@ -40,9 +40,10 @@ public:
   TrackedIntPtr(const TrackedIntPtr &rhs) :
     ptr(rhs.ptr), id(ptr ? get_with_id(ptr) : 0) {}
 
-  void operator=(const TrackedIntPtr &rhs) {
+  TrackedIntPtr& operator=(const TrackedIntPtr &rhs) {
     TrackedIntPtr o(rhs.ptr);
     swap(o);
+    return *this;
   }
   T &operator*() const {
     return *ptr;