|
Lines 672-683
Link Here
|
| 672 |
return ret; |
672 |
return ret; |
| 673 |
} |
673 |
} |
| 674 |
|
674 |
|
| 675 |
static int vhba_ctl_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) |
675 |
static long vhba_ctl_ioctl (struct file *file, unsigned int cmd, unsigned long arg) |
| 676 |
{ |
676 |
{ |
| 677 |
struct vhba_device *vdev = file->private_data; |
677 |
struct vhba_device *vdev = file->private_data; |
| 678 |
struct vhba_host *vhost; |
678 |
struct vhba_host *vhost; |
| 679 |
struct scsi_device *sdev; |
679 |
struct scsi_device *sdev; |
| 680 |
|
680 |
|
|
|
681 |
lock_kernel(); |
| 681 |
switch (cmd) { |
682 |
switch (cmd) { |
| 682 |
case 0xBEEF001: |
683 |
case 0xBEEF001: |
| 683 |
vhost = platform_get_drvdata(&vhba_platform_device); |
684 |
vhost = platform_get_drvdata(&vhba_platform_device); |
|
Lines 694-706
Link Here
|
| 694 |
scsi_device_put(sdev); |
695 |
scsi_device_put(sdev); |
| 695 |
|
696 |
|
| 696 |
if (copy_to_user((void *)arg, id, sizeof(id))) |
697 |
if (copy_to_user((void *)arg, id, sizeof(id))) |
| 697 |
return -EFAULT; |
698 |
{ unlock_kernel(); return -EFAULT; } |
| 698 |
|
699 |
|
|
|
700 |
unlock_kernel(); |
| 699 |
return 0; |
701 |
return 0; |
| 700 |
} else { |
702 |
} else { |
|
|
703 |
unlock_kernel(); |
| 701 |
return -ENODEV; |
704 |
return -ENODEV; |
| 702 |
} |
705 |
} |
| 703 |
} |
706 |
} |
|
|
707 |
unlock_kernel(); |
| 704 |
|
708 |
|
| 705 |
return -ENOTTY; |
709 |
return -ENOTTY; |
| 706 |
} |
710 |
} |
|
Lines 782-788
Link Here
|
| 782 |
.read = vhba_ctl_read, |
786 |
.read = vhba_ctl_read, |
| 783 |
.write = vhba_ctl_write, |
787 |
.write = vhba_ctl_write, |
| 784 |
.poll = vhba_ctl_poll, |
788 |
.poll = vhba_ctl_poll, |
| 785 |
.ioctl = vhba_ctl_ioctl, |
789 |
.unlocked_ioctl = vhba_ctl_ioctl, |
| 786 |
}; |
790 |
}; |
| 787 |
|
791 |
|
| 788 |
static struct miscdevice vhba_miscdev = { |
792 |
static struct miscdevice vhba_miscdev = { |
