353739: Klocwork Null ptr dereferences in instance.c. r=nelson
353739: Klocwork Null ptr dereferences in instance.c. r=nelson

nmav/nss,nmav/nss,ekr/nss-old,nmav/nss,ekr/nss-old,nmav/nss,ekr/nss-old,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old