RF_DeviceConfig_t
RF_DeviceConfig_t device_config;
RF_DeviceConfig_t device_config;
RF_DeviceConfig_t device_config;
#define RAIDFRAME_GET_INFO _IOWR('r', 42, RF_DeviceConfig_t *) /* get configuration */
RF_DeviceConfig_t *d_cfg = RF_Malloc(sizeof(*d_cfg));
RF_Free(d_cfg, sizeof(RF_DeviceConfig_t));
RF_DeviceConfig_t *config;
int rf_get_info(RF_Raid_t *, RF_DeviceConfig_t *);
RF_DeviceConfig_t *d_cfg, *ucfgp;
ucfgp = *(RF_DeviceConfig_t **)data;
RF_Free(d_cfg, sizeof(RF_DeviceConfig_t));
rf_get_info(RF_Raid_t *raidPtr, RF_DeviceConfig_t *config)