diff options
Diffstat (limited to 'drivers/uio')
-rw-r--r-- | drivers/uio/uio.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index c4279b2234ac..8abe78c0b16f 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c | |||
@@ -35,7 +35,6 @@ struct uio_device { | |||
35 | atomic_t event; | 35 | atomic_t event; |
36 | struct fasync_struct *async_queue; | 36 | struct fasync_struct *async_queue; |
37 | wait_queue_head_t wait; | 37 | wait_queue_head_t wait; |
38 | int vma_count; | ||
39 | struct uio_info *info; | 38 | struct uio_info *info; |
40 | struct kobject *map_dir; | 39 | struct kobject *map_dir; |
41 | struct kobject *portio_dir; | 40 | struct kobject *portio_dir; |
@@ -593,18 +592,6 @@ static int uio_find_mem_index(struct vm_area_struct *vma) | |||
593 | return -1; | 592 | return -1; |
594 | } | 593 | } |
595 | 594 | ||
596 | static void uio_vma_open(struct vm_area_struct *vma) | ||
597 | { | ||
598 | struct uio_device *idev = vma->vm_private_data; | ||
599 | idev->vma_count++; | ||
600 | } | ||
601 | |||
602 | static void uio_vma_close(struct vm_area_struct *vma) | ||
603 | { | ||
604 | struct uio_device *idev = vma->vm_private_data; | ||
605 | idev->vma_count--; | ||
606 | } | ||
607 | |||
608 | static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) | 595 | static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) |
609 | { | 596 | { |
610 | struct uio_device *idev = vma->vm_private_data; | 597 | struct uio_device *idev = vma->vm_private_data; |
@@ -631,8 +618,6 @@ static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) | |||
631 | } | 618 | } |
632 | 619 | ||
633 | static const struct vm_operations_struct uio_logical_vm_ops = { | 620 | static const struct vm_operations_struct uio_logical_vm_ops = { |
634 | .open = uio_vma_open, | ||
635 | .close = uio_vma_close, | ||
636 | .fault = uio_vma_fault, | 621 | .fault = uio_vma_fault, |
637 | }; | 622 | }; |
638 | 623 | ||
@@ -640,7 +625,6 @@ static int uio_mmap_logical(struct vm_area_struct *vma) | |||
640 | { | 625 | { |
641 | vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; | 626 | vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; |
642 | vma->vm_ops = &uio_logical_vm_ops; | 627 | vma->vm_ops = &uio_logical_vm_ops; |
643 | uio_vma_open(vma); | ||
644 | return 0; | 628 | return 0; |
645 | } | 629 | } |
646 | 630 | ||