drivers/nvdimm/bus.c

82 	int rc;
91 	rc = nd_drv->probe(dev);
92 	if ((rc == 0 || rc == -EOPNOTSUPP) &&
98 			dev_name(dev), rc);
100 	if (rc != 0)
102 	return rc;
223 	int cmd_rc, rc;
240 	rc = nd_desc->ndctl(nd_desc, NULL, ND_CMD_ARS_CAP, &ars_cap,
243 	if (rc < 0)
244 		return rc;
258 	rc = nd_desc->ndctl(nd_desc, NULL, ND_CMD_CLEAR_ERROR, &clear_err,
261 	if (rc < 0)
262 		return rc;
337 	int rc;
361 	rc = dev_set_name(&nvdimm_bus->dev, "ndbus%d", nvdimm_bus->id);
362 	if (rc)
365 	rc = device_add(&nvdimm_bus->dev);
366 	if (rc) {
367 		dev_dbg(&nvdimm_bus->dev, "registration failed: %d\n", rc);
440 	int rc;
442 	rc = nvdimm_bus_create_ndctl(nvdimm_bus);
443 	if (rc)
444 		return rc;
737 	int rc;
749 	rc = dev_set_name(dev, "ndctl%d", nvdimm_bus->id);
750 	if (rc)
753 	rc = device_add(dev);
754 	if (rc) {
756 				nvdimm_bus->id, rc);
763 	return rc;
1002 		int rc = nd_desc->clear_to_send(nd_desc, nvdimm, cmd, data);
1004 		if (rc)
1005 			return rc;
1037 	int rc, i, cmd_rc;
1107 			rc = -ENXIO;
1115 			rc = -EFAULT;
1131 		rc = -ENOMEM;
1143 			rc = -EFAULT;
1152 			rc = -EFAULT;
1162 		rc = -EINVAL;
1168 		rc = -ENOMEM;
1173 		rc = -EFAULT;
1179 	rc = nd_cmd_clear_to_send(nvdimm_bus, nvdimm, func, buf);
1180 	if (rc)
1183 	rc = nd_desc->ndctl(nd_desc, nvdimm, cmd, buf, buf_len, &cmd_rc);
1184 	if (rc < 0)
1195 		rc = -EFAULT;
1204 	return rc;
1232 	int rc, ro;
1261 	rc = __nd_ioctl(nvdimm_bus, nvdimm, ro, cmd, arg);
1268 	return rc;
1307 	int rc;
1309 	rc = bus_register(&nvdimm_bus_type);
1310 	if (rc)
1311 		return rc;
1313 	rc = register_chrdev(0, "ndctl", &nvdimm_bus_fops);
1314 	if (rc < 0)
1316 	nvdimm_bus_major = rc;
1318 	rc = register_chrdev(0, "dimmctl", &nvdimm_fops);
1319 	if (rc < 0)
1321 	nvdimm_major = rc;
1325 		rc = PTR_ERR(nd_class);
1329 	rc = driver_register(&nd_bus_driver.drv);
1330 	if (rc)
1344 	return rc;