Lines Matching refs:ret
712 int ret = 0; in mdev_access() local
764 ret = -1; in mdev_access()
768 ret = count; in mdev_access()
774 return ret; in mdev_access()
841 int ret; in mtty_precopy_ioctl() local
856 ret = -EINVAL; in mtty_precopy_ioctl()
864 ret = -ENODEV; in mtty_precopy_ioctl()
870 ret = -EINVAL; in mtty_precopy_ioctl()
878 ret = copy_to_user((void __user *)arg, &info, minsz) ? -EFAULT : 0; in mtty_precopy_ioctl()
881 return ret; in mtty_precopy_ioctl()
888 ssize_t ret = 0; in mtty_save_read() local
900 ret = -ENODEV; in mtty_save_read()
905 ret = -EINVAL; in mtty_save_read()
912 ret = -EFAULT; in mtty_save_read()
916 ret = len; in mtty_save_read()
919 dev_dbg(migf->mdev_state->vdev.dev, "%s read %zu\n", __func__, ret); in mtty_save_read()
921 return ret; in mtty_save_read()
976 struct mtty_migration_file *ret = NULL; in mtty_save_device_data() local
981 return ret; in mtty_save_device_data()
1011 ret = mdev_state->saving_migf = migf; in mtty_save_device_data()
1017 return ret; in mtty_save_device_data()
1026 ssize_t ret = 0; in mtty_resume_write() local
1043 ret = -ENODEV; in mtty_resume_write()
1048 ret = -EFAULT; in mtty_resume_write()
1053 ret = len; in mtty_resume_write()
1066 ret = -EFAULT; in mtty_resume_write()
1077 return ret; in mtty_resume_write()
1090 int ret; in mtty_resume_device_data() local
1099 ret = PTR_ERR(migf->filp); in mtty_resume_device_data()
1101 return ERR_PTR(ret); in mtty_resume_device_data()
1156 int ret; in mtty_step_state() local
1158 ret = mtty_load_state(mdev_state); in mtty_step_state()
1159 if (ret) in mtty_step_state()
1160 return ERR_PTR(ret); in mtty_step_state()
1229 struct file *ret = NULL; in mtty_set_state() local
1239 ret = ERR_PTR(rc); in mtty_set_state()
1243 ret = mtty_step_state(mdev_state, next_state); in mtty_set_state()
1244 if (IS_ERR(ret)) in mtty_set_state()
1249 if (WARN_ON(ret && new_state != next_state)) { in mtty_set_state()
1250 fput(ret); in mtty_set_state()
1251 ret = ERR_PTR(-EINVAL); in mtty_set_state()
1256 return ret; in mtty_set_state()
1320 int ret; in mtty_init_dev() local
1337 ret = -ENOMEM; in mtty_init_dev()
1358 return ret; in mtty_init_dev()
1364 int ret; in mtty_probe() local
1371 ret = vfio_register_emulated_iommu_dev(&mdev_state->vdev); in mtty_probe()
1372 if (ret) in mtty_probe()
1379 return ret; in mtty_probe()
1423 int ret; in mtty_read() local
1431 ret = mdev_access(mdev_state, (u8 *)&val, sizeof(val), in mtty_read()
1433 if (ret <= 0) in mtty_read()
1443 ret = mdev_access(mdev_state, (u8 *)&val, sizeof(val), in mtty_read()
1445 if (ret <= 0) in mtty_read()
1455 ret = mdev_access(mdev_state, (u8 *)&val, sizeof(val), in mtty_read()
1457 if (ret <= 0) in mtty_read()
1484 int ret; in mtty_write() local
1495 ret = mdev_access(mdev_state, (u8 *)&val, sizeof(val), in mtty_write()
1497 if (ret <= 0) in mtty_write()
1507 ret = mdev_access(mdev_state, (u8 *)&val, sizeof(val), in mtty_write()
1509 if (ret <= 0) in mtty_write()
1519 ret = mdev_access(mdev_state, (u8 *)&val, sizeof(val), in mtty_write()
1521 if (ret <= 0) in mtty_write()
1560 int ret = 0; in mtty_set_irqs() local
1568 ret = -EINVAL; in mtty_set_irqs()
1580 ret = -ENOTTY; /* No support for mask fd */ in mtty_set_irqs()
1585 ret = -EINVAL; in mtty_set_irqs()
1597 ret = -ENOTTY; /* No support for unmask fd */ in mtty_set_irqs()
1609 ret = -EINVAL; in mtty_set_irqs()
1624 ret = PTR_ERR(evt); in mtty_set_irqs()
1633 ret = -EINVAL; in mtty_set_irqs()
1652 ret = -ENOTTY; in mtty_set_irqs()
1663 ret = -EINVAL; in mtty_set_irqs()
1678 ret = PTR_ERR(evt); in mtty_set_irqs()
1687 ret = -EINVAL; in mtty_set_irqs()
1704 ret = -ENOTTY; in mtty_set_irqs()
1708 ret = -ENOTTY; in mtty_set_irqs()
1712 ret = -ENOTTY; in mtty_set_irqs()
1717 return ret; in mtty_set_irqs()
1793 int ret = 0; in mtty_ioctl() local
1809 ret = mtty_get_device_info(&info); in mtty_ioctl()
1810 if (ret) in mtty_ioctl()
1811 return ret; in mtty_ioctl()
1834 ret = mtty_get_region_info(mdev_state, &info, &cap_type_id, in mtty_ioctl()
1836 if (ret) in mtty_ioctl()
1837 return ret; in mtty_ioctl()
1858 ret = mtty_get_irq_info(&info); in mtty_ioctl()
1859 if (ret) in mtty_ioctl()
1860 return ret; in mtty_ioctl()
1878 ret = vfio_set_irqs_validate_and_prepare(&hdr, in mtty_ioctl()
1882 if (ret) in mtty_ioctl()
1883 return ret; in mtty_ioctl()
1892 ret = mtty_set_irqs(mdev_state, hdr.flags, hdr.index, hdr.start, in mtty_ioctl()
1896 return ret; in mtty_ioctl()
1979 int ret = 0; in mtty_dev_init() local
1987 ret = alloc_chrdev_region(&mtty_dev.vd_devt, 0, MINORMASK + 1, in mtty_dev_init()
1990 if (ret < 0) { in mtty_dev_init()
1991 pr_err("Error: failed to register mtty_dev, err:%d\n", ret); in mtty_dev_init()
1992 return ret; in mtty_dev_init()
2000 ret = mdev_register_driver(&mtty_driver); in mtty_dev_init()
2001 if (ret) in mtty_dev_init()
2008 ret = PTR_ERR(mtty_dev.vd_class); in mtty_dev_init()
2016 ret = device_register(&mtty_dev.dev); in mtty_dev_init()
2017 if (ret) in mtty_dev_init()
2020 ret = mdev_register_parent(&mtty_dev.parent, &mtty_dev.dev, in mtty_dev_init()
2023 if (ret) in mtty_dev_init()
2037 return ret; in mtty_dev_init()