diff -r 0659d0e1a03c -r 1d28c8722707 kernel/eka/drivers/medmmc/medmmc.cpp
--- a/kernel/eka/drivers/medmmc/medmmc.cpp	Wed Oct 20 13:58:28 2010 +0100
+++ b/kernel/eka/drivers/medmmc/medmmc.cpp	Tue Nov 02 15:29:23 2010 +0000
@@ -1610,6 +1610,7 @@
 
 #ifdef _DEBUG
 	TMBRPartitionEntry cPe;
+	memclr(&cPe, sizeof(cPe));
 	if(GetDefaultPartitionInfo(cPe) == KErrNone)
 		{
 		pe = (TMBRPartitionEntry*)(&iIntBuf[0]);