static int idedisk_set_doorlock(ide_drive_t *drive, int on)
{
ide_task_t task;
+ int ret;
+
+ if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0)
+ return 0;
memset(&task, 0, sizeof(task));
task.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK;
task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
- return ide_no_data_taskfile(drive, &task);
+ ret = ide_no_data_taskfile(drive, &task);
+
+ if (ret)
+ drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
+
+ return ret;
}
static int idedisk_open(struct inode *inode, struct file *filp)
* since the open() has already succeeded,
* and the door_lock is irrelevant at this point.
*/
- if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
- idedisk_set_doorlock(drive, 1))
- drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
+ idedisk_set_doorlock(drive, 1);
check_disk_change(inode->i_bdev);
}
return 0;
if (idkp->openers == 1)
ide_cacheflush_p(drive);
- if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
- if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
- idedisk_set_doorlock(drive, 0))
- drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
- }
+ if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1)
+ idedisk_set_doorlock(drive, 0);
idkp->openers--;