diff options
Diffstat (limited to 'drivers/media/video/videobuf-dma-sg.c')
| -rw-r--r-- | drivers/media/video/videobuf-dma-sg.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index 44ee408e145..98efd7ab1f5 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -385,30 +385,27 @@ videobuf_vm_close(struct vm_area_struct *vma) * now ...). Bounce buffers don't work very well for the data rates * video capture has. */ -static struct page* -videobuf_vm_nopage(struct vm_area_struct *vma, unsigned long vaddr, - int *type) +static int +videobuf_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct page *page; - dprintk(3,"nopage: fault @ %08lx [vma %08lx-%08lx]\n", - vaddr,vma->vm_start,vma->vm_end); - if (vaddr > vma->vm_end) - return NOPAGE_SIGBUS; + dprintk(3,"fault: fault @ %08lx [vma %08lx-%08lx]\n", + (unsigned long)vmf->virtual_address,vma->vm_start,vma->vm_end); page = alloc_page(GFP_USER | __GFP_DMA32); if (!page) - return NOPAGE_OOM; - clear_user_page(page_address(page), vaddr, page); - if (type) - *type = VM_FAULT_MINOR; - return page; + return VM_FAULT_OOM; + clear_user_page(page_address(page), (unsigned long)vmf->virtual_address, + page); + vmf->page = page; + return 0; } static struct vm_operations_struct videobuf_vm_ops = { .open = videobuf_vm_open, .close = videobuf_vm_close, - .nopage = videobuf_vm_nopage, + .fault = videobuf_vm_fault, }; /* --------------------------------------------------------------------- |