ide: cleanup generic_ide_ioctl()

* Fix intendation for the main 'switch ()'.

* 'switch ()' -> 'if ()' for HDIO_DRIVE_TASKFILE case.

* Move HDIO_SET_NICE case under HDIO_GET_NICE one.
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide.c

@@ -565,7 +565,8 @@ 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,
+int generic_ide_ioctl(ide_drive_t *drive, struct file *file,
+		      struct block_device *bdev,
 		      unsigned int cmd, unsigned long arg)
 {
 	int err;
@@ -582,44 +583,36 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device
 		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;
-			switch(drive->media) {
-				case ide_disk:
+		if (drive->media == ide_disk)
 			return ide_taskfile_ioctl(drive, cmd, arg);
-				default:
 		return -ENOMSG;
-			}
-#endif /* CONFIG_IDE_TASK_IOCTL */
-
+#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_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;