if ((rc = siena_nvram_partn_read(enp, partn, SIENA_NVRAM_CHUNK,
(caddr_t)scfg + SIENA_NVRAM_CHUNK,
region - SIENA_NVRAM_CHUNK)) != 0)
if ((rc = siena_nvram_partn_read(enp, partn, SIENA_NVRAM_CHUNK,
(caddr_t)scfg + SIENA_NVRAM_CHUNK,
region - SIENA_NVRAM_CHUNK)) != 0)