CA-165096: Add null reference check
CA-165096: Add null reference check

minli1/xenadmin,xenserver/xenadmin,cheng-z/xenadmin,MihaelaStoica/xenadmin,agimofcarmen/xenadmin,stephen-turner/xenadmin,robhoes/xenadmin,jijiang/xenadmin,MihaelaStoica/xenadmin,cheng--zhang/xenadmin,huizh/xenadmin,qlw/xenadmin,letsboogey/xenadmin,geosharath/xenadmin,kc284/xenadmin,agimofcarmen/xenadmin,qlw/xenadmin,huizh/xenadmin,kc284/xenadmin,GaborApatiNagy/xenadmin,jijiang/xenadmin,qlw/xenadmin,huizh/xenadmin,cheng-z/xenadmin,qlw/xenadmin,MihaelaStoica/xenadmin,cheng--zhang/xenadmin,agimofcarmen/xenadmin,ushamandya/xenadmin,huizh/xenadmin,stephen-turner/xenadmin,geosharath/xenadmin,letsboogey/xenadmin,ushamandya/xenadmin,GaborApatiNagy/xenadmin,cheng--zhang/xenadmin,minli1/xenadmin,kc284/xenadmin,jijiang/xenadmin,ushamandya/xenadmin,agimofcarmen/xenadmin,xenserver/xenadmin,GaborApatiNagy/xenadmin,MihaelaStoica/xenadmin,geosharath/xenadmin,robhoes/xenadmin,cheng--zhang/xenadmin,jijiang/xenadmin,minli1/xenadmin,cheng-z/xenadmin,xenserver/xenadmin,stephen-turner/xenadmin,MihaelaStoica/xenadmin,ushamandya/xenadmin,qlw/xenadmin,stephen-turner/xenadmin,ushamandya/xenadmin,minli1/xenadmin,cheng-z/xenadmin,GaborApatiNagy/xenadmin,huizh/xenadmin,robhoes/xenadmin,cheng-z/xenadmin,letsboogey/xenadmin,kc284/xenadmin,Frezzle/xenadmin,huizh/xenadmin,Frezzle/xenadmin,geosharath/xenadmin,GaborApatiNagy/xenadmin,jijiang/xenadmin,robhoes/xenadmin,letsboogey/xenadmin,cheng--zhang/xenadmin,agimofcarmen/xenadmin,Frezzle/xenadmin,robhoes/xenadmin,stephen-turner/xenadmin,stephen-turner/xenadmin,jijiang/xenadmin,robhoes/xenadmin,Frezzle/xenadmin,letsboogey/xenadmin,cheng-z/xenadmin,ushamandya/xenadmin,geosharath/xenadmin,letsboogey/xenadmin,Frezzle/xenadmin,minli1/xenadmin,geosharath/xenadmin,kc284/xenadmin,cheng--zhang/xenadmin,minli1/xenadmin,Frezzle/xenadmin,GaborApatiNagy/xenadmin,MihaelaStoica/xenadmin