diff -r 866b4af7ffbe -r 841f70763fbe mtpfws/mtpfw/dataproviders/devdp/src/cmtpgetdevicepropdesc.cpp
--- a/mtpfws/mtpfw/dataproviders/devdp/src/cmtpgetdevicepropdesc.cpp	Tue Sep 28 20:14:08 2010 +0800
+++ b/mtpfws/mtpfw/dataproviders/devdp/src/cmtpgetdevicepropdesc.cpp	Thu Nov 04 15:31:42 2010 +0800
@@ -225,7 +225,11 @@
     OstTraceFunctionEntry0( CMTPGETDEVICEPROPDESC_RUNL_ENTRY );
     if (iPropCode == EMTPDevicePropCodeBatteryLevel)
         {
-        ServiceBatteryLevelL();
+        TRAPD(err,ServiceBatteryLevelL());
+		if ( err != KErrNone)
+			{
+			TRAP_IGNORE(SendResponseL(EMTPRespCodeGeneralError));
+			}
         }
     else
         {