Don't try to clean up the async ringbuffer if it isn't allocated

1 files changed, 19 insertions, 16 deletions

diff --git a/Alc/alc.cpp b/Alc/alc.cpp
index e42ec20f..d05d1431 100644
--- a/Alc/alc.cpp
+++ b/Alc/alc.cpp
@@ -2452,24 +2452,27 @@ ALCcontext::~ALCcontext()
     }
     TRACE("Freed " SZFMT " listener property object%s\n", count, (count==1)?"":"s");
 
-    count = 0;
-    auto evt_vec = AsyncEvents->getReadVector();
-    while(evt_vec.first.len > 0)
+    if(AsyncEvents)
     {
-        reinterpret_cast<AsyncEvent*>(evt_vec.first.buf)->~AsyncEvent();
-        evt_vec.first.buf += sizeof(AsyncEvent);
-        evt_vec.first.len -= 1;
-        ++count;
-    }
-    while(evt_vec.second.len > 0)
-    {
-        reinterpret_cast<AsyncEvent*>(evt_vec.second.buf)->~AsyncEvent();
-        evt_vec.second.buf += sizeof(AsyncEvent);
-        evt_vec.second.len -= 1;
-        ++count;
+        count = 0;
+        auto evt_vec = AsyncEvents->getReadVector();
+        while(evt_vec.first.len > 0)
+        {
+            reinterpret_cast<AsyncEvent*>(evt_vec.first.buf)->~AsyncEvent();
+            evt_vec.first.buf += sizeof(AsyncEvent);
+            evt_vec.first.len -= 1;
+            ++count;
+        }
+        while(evt_vec.second.len > 0)
+        {
+            reinterpret_cast<AsyncEvent*>(evt_vec.second.buf)->~AsyncEvent();
+            evt_vec.second.buf += sizeof(AsyncEvent);
+            evt_vec.second.len -= 1;
+            ++count;
+        }
+        if(count > 0)
+            TRACE("Destructed " SZFMT " orphaned event%s\n", count, (count==1)?"":"s");
     }
-    if(count > 0)
-        TRACE("Destructed " SZFMT " orphaned event%s\n", count, (count==1)?"":"s");
 
     ALCdevice_DecRef(Device);
 }