Add null pointer check before dereferrence.

MythTV · Feb 2, 2012 · 4167a42 · 4167a42
1 parent 1bd95e6
commit 4167a42
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mythtv/libs/libmythui/AppleRemote.cpp b/mythtv/libs/libmythui/AppleRemote.cpp
@@ -357,7 +357,8 @@ bool AppleRemote::_createDeviceInterface(io_object_t hidDevice)
                                             kIOCFPlugInInterfaceID,
                                             &plugInInterface, &score);
 
-    if (ioReturnValue == kIOReturnSuccess)
+    if ((kIOReturnSuccess == ioReturnValue) &&
+        plugInInterface && *plugInInterface)
     {
         HRESULT plugInResult = (*plugInInterface)->QueryInterface
                                 (plugInInterface,