rz_kernel: check deco__DB_status_check() before DB dependent calls:    - connection available    - DB metablock available
rz_kernel: check deco__DB_status_check() before DB dependent calls:
   - connection available
   - DB metablock available

shlomif/rhizi,shlomif/rhizi,tlevine/rhizi,tlevine/rhizi,tlevine/rhizi,cben/rhizi,Rhizi/rhizi,ozFri/rhizi,shlomif/rhizi,tlevine/rhizi,Rhizi/rhizi,yuvadm/rhizi,ozFri/rhizi,cben/rhizi,ozFri/rhizi,ozFri/rhizi,cben/rhizi,cben/rhizi,yuvadm/rhizi,yuvadm/rhizi,yuvadm/rhizi,Rhizi/rhizi,Rhizi/rhizi,shlomif/rhizi