diff options
| -rw-r--r-- | drivers/ide/ide.c | 97 |
1 files changed, 45 insertions, 52 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 4910924abeb7..19181493e722 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -565,8 +565,9 @@ static const struct ide_ioctl_devset ide_ioctl_settings[] = { { 0 } }; -int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev, - unsigned int cmd, unsigned long arg) +int generic_ide_ioctl(ide_drive_t *drive, struct file *file, + struct block_device *bdev, + unsigned int cmd, unsigned long arg) { int err; @@ -575,57 +576,49 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device return err; switch (cmd) { - case HDIO_OBSOLETE_IDENTITY: - case HDIO_GET_IDENTITY: - if (bdev != bdev->bd_contains) - return -EINVAL; - return ide_get_identity_ioctl(drive, cmd, arg); - case HDIO_GET_NICE: - return ide_get_nice_ioctl(drive, arg); -#ifdef CONFIG_IDE_TASK_IOCTL - case HDIO_DRIVE_TASKFILE: - if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) - return -EACCES; - switch(drive->media) { - case ide_disk: - return ide_taskfile_ioctl(drive, cmd, arg); - default: - return -ENOMSG; - } -#endif /* CONFIG_IDE_TASK_IOCTL */ - - case HDIO_DRIVE_CMD: - if (!capable(CAP_SYS_RAWIO)) - return -EACCES; - return ide_cmd_ioctl(drive, cmd, arg); - - case HDIO_DRIVE_TASK: - if (!capable(CAP_SYS_RAWIO)) - return -EACCES; - return ide_task_ioctl(drive, cmd, arg); - case HDIO_SET_NICE: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - return ide_set_nice_ioctl(drive, arg); - case HDIO_DRIVE_RESET: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - - return generic_drive_reset(drive); - - case HDIO_GET_BUSSTATE: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - if (put_user(BUSSTATE_ON, (long __user *)arg)) - return -EFAULT; - return 0; - - case HDIO_SET_BUSSTATE: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - return -EOPNOTSUPP; - default: + case HDIO_OBSOLETE_IDENTITY: + case HDIO_GET_IDENTITY: + if (bdev != bdev->bd_contains) return -EINVAL; + return ide_get_identity_ioctl(drive, cmd, arg); + case HDIO_GET_NICE: + return ide_get_nice_ioctl(drive, arg); + case HDIO_SET_NICE: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return ide_set_nice_ioctl(drive, arg); +#ifdef CONFIG_IDE_TASK_IOCTL + case HDIO_DRIVE_TASKFILE: + if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) + return -EACCES; + if (drive->media == ide_disk) + return ide_taskfile_ioctl(drive, cmd, arg); + return -ENOMSG; +#endif + case HDIO_DRIVE_CMD: + if (!capable(CAP_SYS_RAWIO)) + return -EACCES; + return ide_cmd_ioctl(drive, cmd, arg); + case HDIO_DRIVE_TASK: + if (!capable(CAP_SYS_RAWIO)) + return -EACCES; + return ide_task_ioctl(drive, cmd, arg); + case HDIO_DRIVE_RESET: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return generic_drive_reset(drive); + case HDIO_GET_BUSSTATE: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + if (put_user(BUSSTATE_ON, (long __user *)arg)) + return -EFAULT; + return 0; + case HDIO_SET_BUSSTATE: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return -EOPNOTSUPP; + default: + return -EINVAL; } } EXPORT_SYMBOL(generic_ide_ioctl); |