Fix NPE for CSI mounter
Fix NPE for CSI mounter

tengqm/kubernetes,humblec/kubernetes,ping035627/kubernetes,nckturner/kubernetes,mahak/kubernetes,k82/kubernetes,verult/kubernetes,mahak/kubernetes,gnufied/kubernetes,openshift/kubernetes,PI-Victor/kubernetes,andrewrynhard/kubernetes,enj/kubernetes,Acidburn0zzz/kubernetes,Acidburn0zzz/kubernetes,dlorenc/kubernetes,cofyc/kubernetes,zhouhaibing089/kubernetes,dereknex/kubernetes,saad-ali/kubernetes,deads2k/kubernetes,kevin-wangzefeng/kubernetes,verult/kubernetes,mosoft521/kubernetes,nikhita/kubernetes,dlorenc/kubernetes,cblecker/kubernetes,dims/kubernetes,thockin/kubernetes,humblec/kubernetes,ii/kubernetes,saad-ali/kubernetes,carlory/kubernetes,csrwng/kubernetes,iterion/kubernetes,micahhausler/kubernetes,sdminonne/kubernetes,andrewrynhard/kubernetes,matthyx/kubernetes,Acidburn0zzz/kubernetes,weiwei04/kubernetes,PiotrProkop/kubernetes,gnufied/kubernetes,idvoretskyi/kubernetes,spzala/kubernetes,saad-ali/kubernetes,hex108/kubernetes,tpepper/kubernetes,jessfraz/kubernetes,mengqiy/kubernetes,mikedanese/kubernetes,dixudx/kubernetes,monopole/kubernetes,feiskyer/kubernetes,linux-on-ibm-z/kubernetes,verult/kubernetes,mosoft521/kubernetes,andrewrynhard/kubernetes,deads2k/kubernetes,weiwei04/kubernetes,nak3/kubernetes,linux-on-ibm-z/kubernetes,sdminonne/kubernetes,olivierlemasle/kubernetes,GulajavaMinistudio/kubernetes,dixudx/kubernetes,mahak/kubernetes,PI-Victor/kubernetes,fanzhangio/kubernetes,iameli/kubernetes,aledbf/kubernetes,dims/kubernetes,kevin-wangzefeng/kubernetes,rnaveiras/kubernetes,csrwng/kubernetes,linux-on-ibm-z/kubernetes,ravilr/kubernetes,roberthbailey/kubernetes,PI-Victor/kubernetes,chestack/kubernetes,tengqm/kubernetes,Acidburn0zzz/kubernetes,alejandroEsc/kubernetes,spzala/kubernetes,tpepper/kubernetes,zhouhaibing089/kubernetes,fanzhangio/kubernetes,mkumatag/kubernetes,fabriziopandini/kubernetes,Clarifai/kubernetes,chrislovecnm/kubernetes,iterion/kubernetes,deads2k/kubernetes,warmchang/kubernetes,idvoretskyi/kubernetes,thockin/kubernetes,x13n/kubernetes,jingxu97/kubernetes,mikebrow/kubernetes,feiskyer/kubernetes,linux-on-ibm-z/kubernetes,thockin/kubernetes,PI-Victor/kubernetes,ravilr/kubernetes,fabriziopandini/kubernetes,idvoretskyi/kubernetes,MikeSpreitzer/kubernetes,wongma7/kubernetes,enj/kubernetes,shyamjvs/kubernetes,nckturner/kubernetes,openshift/kubernetes,dereknex/kubernetes,ii/kubernetes,krmayankk/kubernetes,shyamjvs/kubernetes,nak3/kubernetes,jingxu97/kubernetes,dims/kubernetes,iterion/kubernetes,BenTheElder/kubernetes,liggitt/kubernetes,BenTheElder/kubernetes,jsafrane/kubernetes,hex108/kubernetes,tpepper/kubernetes,alejandroEsc/kubernetes,ping035627/kubernetes,li-ang/kubernetes,nikhita/kubernetes,gnufied/kubernetes,liggitt/kubernetes,iterion/kubernetes,mosoft521/kubernetes,chestack/kubernetes,k82cn/kubernetes,zhangmingld/kubernetes,BenTheElder/kubernetes,mikebrow/kubernetes,jsafrane/kubernetes,liggitt/kubernetes,x13n/kubernetes,zhangmingld/kubernetes,roberthbailey/kubernetes,feiskyer/kubernetes,roberthbailey/kubernetes,MikeSpreitzer/kubernetes,dixudx/kubernetes,spzala/kubernetes,tengqm/kubernetes,dereknex/kubernetes,krmayankk/kubernetes,nckturner/kubernetes,micahhausler/kubernetes,dixudx/kubernetes,monopole/kubernetes,cblecker/kubernetes,weiwei04/kubernetes,jackfrancis/kubernetes,mkumatag/kubernetes,nikhita/kubernetes,tpepper/kubernetes,mengqiy/kubernetes,rrati/kubernetes,mikebrow/kubernetes,thockin/kubernetes,mikedanese/kubernetes,ii/kubernetes,k82/kubernetes,kubernetes/kubernetes,x13n/kubernetes,openshift/kubernetes,kevin-wangzefeng/kubernetes,micahhausler/kubernetes,sdminonne/kubernetes,matthyx/kubernetes,humblec/kubernetes,rrati/kubernetes,k82cn/kubernetes,warmchang/kubernetes,nak3/kubernetes,matthyx/kubernetes,bparees/kubernetes,nikhita/kubernetes,dims/kubernetes,iameli/kubernetes,nikhita/kubernetes,soltysh/kubernetes,shyamjvs/kubernetes,mengqiy/kubernetes,MikeSpreitzer/kubernetes,jackfrancis/kubernetes,bparees/kubernetes,lojies/kubernetes,enj/kubernetes,humblec/kubernetes,dlorenc/kubernetes,Clarifai/kubernetes,wongma7/kubernetes,enj/kubernetes,jackfrancis/kubernetes,hex108/kubernetes,carlory/kubernetes,idvoretskyi/kubernetes,verb/kubernetes,chestack/kubernetes,aledbf/kubernetes,mengqiy/kubernetes,nckturner/kubernetes,Clarifai/kubernetes,rnaveiras/kubernetes,jackfrancis/kubernetes,nak3/kubernetes,idvoretskyi/kubernetes,micahhausler/kubernetes,chrislovecnm/kubernetes,jagosan/kubernetes,rafax/kubernetes,spzala/kubernetes,idvoretskyi/kubernetes,mikedanese/kubernetes,openshift/kubernetes,PiotrProkop/kubernetes,olivierlemasle/kubernetes,carlory/kubernetes,saad-ali/kubernetes,chrislovecnm/kubernetes,shyamjvs/kubernetes,Clarifai/kubernetes,wongma7/kubernetes,krmayankk/kubernetes,mikebrow/kubernetes,tengqm/kubernetes,kubernetes/kubernetes,olivierlemasle/kubernetes,hex108/kubernetes,verult/kubernetes,jsafrane/kubernetes,jessfraz/kubernetes,gnufied/kubernetes,li-ang/kubernetes,fabriziopandini/kubernetes,monopole/kubernetes,dereknex/kubernetes,Clarifai/kubernetes,ping035627/kubernetes,jessfraz/kubernetes,Acidburn0zzz/kubernetes,csrwng/kubernetes,sdminonne/kubernetes,mikedanese/kubernetes,rrati/kubernetes,tpepper/kubernetes,PiotrProkop/kubernetes,dereknex/kubernetes,hex108/kubernetes,rnaveiras/kubernetes,mikebrow/kubernetes,roberthbailey/kubernetes,matthyx/kubernetes,kevin-wangzefeng/kubernetes,iameli/kubernetes,k82/kubernetes,olivierlemasle/kubernetes,soltysh/kubernetes,iterion/kubernetes,lojies/kubernetes,ii/kubernetes,dlorenc/kubernetes,krmayankk/kubernetes,mosoft521/kubernetes,hex108/kubernetes,feiskyer/kubernetes,jagosan/kubernetes,zhangmingld/kubernetes,fabriziopandini/kubernetes,nckturner/kubernetes,olivierlemasle/kubernetes,lojies/kubernetes,GulajavaMinistudio/kubernetes,humblec/kubernetes,dlorenc/kubernetes,BenTheElder/kubernetes,bparees/kubernetes,deads2k/kubernetes,GulajavaMinistudio/kubernetes,mahak/kubernetes,BenTheElder/kubernetes,dlorenc/kubernetes,roberthbailey/kubernetes,ravilr/kubernetes,wongma7/kubernetes,cblecker/kubernetes,zhouhaibing089/kubernetes,iterion/kubernetes,monopole/kubernetes,krmayankk/kubernetes,PiotrProkop/kubernetes,ping035627/kubernetes,chrislovecnm/kubernetes,PI-Victor/kubernetes,k82/kubernetes,zhangmingld/kubernetes,carlory/kubernetes,weiwei04/kubernetes,ping035627/kubernetes,saad-ali/kubernetes,linux-on-ibm-z/kubernetes,csrwng/kubernetes,iameli/kubernetes,cofyc/kubernetes,jagosan/kubernetes,jingxu97/kubernetes,fanzhangio/kubernetes,Clarifai/kubernetes,verb/kubernetes,csrwng/kubernetes,fanzhangio/kubernetes,deads2k/kubernetes,x13n/kubernetes,wongma7/kubernetes,zhouhaibing089/kubernetes,openshift/kubernetes,bparees/kubernetes,mengqiy/kubernetes,liggitt/kubernetes,verb/kubernetes,rrati/kubernetes,lojies/kubernetes,iameli/kubernetes,rrati/kubernetes,shyamjvs/kubernetes,lojies/kubernetes,sdminonne/kubernetes,kubernetes/kubernetes,k82cn/kubernetes,chrislovecnm/kubernetes,x13n/kubernetes,ravilr/kubernetes,warmchang/kubernetes,cblecker/kubernetes,weiwei04/kubernetes,warmchang/kubernetes,chestack/kubernetes,rafax/kubernetes,carlory/kubernetes,verult/kubernetes,cofyc/kubernetes,verult/kubernetes,mosoft521/kubernetes,mahak/kubernetes,jsafrane/kubernetes,rnaveiras/kubernetes,PiotrProkop/kubernetes,zhangmingld/kubernetes,MikeSpreitzer/kubernetes,micahhausler/kubernetes,cofyc/kubernetes,verb/kubernetes,weiwei04/kubernetes,spzala/kubernetes,ii/kubernetes,andrewrynhard/kubernetes,alejandroEsc/kubernetes,PI-Victor/kubernetes,dixudx/kubernetes,x13n/kubernetes,chrislovecnm/kubernetes,jagosan/kubernetes,jagosan/kubernetes,alejandroEsc/kubernetes,monopole/kubernetes,andrewrynhard/kubernetes,li-ang/kubernetes,k82/kubernetes,nak3/kubernetes,alejandroEsc/kubernetes,mikedanese/kubernetes,MikeSpreitzer/kubernetes,chestack/kubernetes,verb/kubernetes,kevin-wangzefeng/kubernetes,nak3/kubernetes,saad-ali/kubernetes,rnaveiras/kubernetes,jessfraz/kubernetes,soltysh/kubernetes,rafax/kubernetes,aledbf/kubernetes,cofyc/kubernetes,warmchang/kubernetes,jingxu97/kubernetes,kubernetes/kubernetes,rafax/kubernetes,cofyc/kubernetes,fabriziopandini/kubernetes,jessfraz/kubernetes,tengqm/kubernetes,andrewrynhard/kubernetes,krmayankk/kubernetes,fanzhangio/kubernetes,jingxu97/kubernetes,li-ang/kubernetes,feiskyer/kubernetes,mkumatag/kubernetes,thockin/kubernetes,kubernetes/kubernetes,gnufied/kubernetes,ravilr/kubernetes,zhangmingld/kubernetes,fanzhangio/kubernetes,jackfrancis/kubernetes,k82cn/kubernetes,GulajavaMinistudio/kubernetes,li-ang/kubernetes,aledbf/kubernetes,aledbf/kubernetes,liggitt/kubernetes,enj/kubernetes,jsafrane/kubernetes,matthyx/kubernetes,Acidburn0zzz/kubernetes,soltysh/kubernetes,GulajavaMinistudio/kubernetes,tpepper/kubernetes,dims/kubernetes,mkumatag/kubernetes,zhouhaibing089/kubernetes,soltysh/kubernetes,bparees/kubernetes,mkumatag/kubernetes,dereknex/kubernetes,cblecker/kubernetes,k82cn/kubernetes