coverity mds_net null pointer checks
coverity mds_net null pointer checks

YetAnotherMinion/core,YetAnotherMinion/core,YetAnotherMinion/core,yangf4/core,YetAnotherMinion/core,yangf4/core,yangf4/core,YetAnotherMinion/core,yangf4/core,yangf4/core