diff options
-rw-r--r-- | drivers/media/video/videobuf-dma-sg.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index 44ee408e145f..eea5b4ecfc3d 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c | |||
@@ -385,30 +385,26 @@ videobuf_vm_close(struct vm_area_struct *vma) | |||
385 | * now ...). Bounce buffers don't work very well for the data rates | 385 | * now ...). Bounce buffers don't work very well for the data rates |
386 | * video capture has. | 386 | * video capture has. |
387 | */ | 387 | */ |
388 | static struct page* | 388 | static int |
389 | videobuf_vm_nopage(struct vm_area_struct *vma, unsigned long vaddr, | 389 | videobuf_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) |
390 | int *type) | ||
391 | { | 390 | { |
392 | struct page *page; | 391 | struct page *page; |
393 | 392 | ||
394 | dprintk(3,"nopage: fault @ %08lx [vma %08lx-%08lx]\n", | 393 | dprintk(3,"fault: fault @ %08lx [vma %08lx-%08lx]\n", |
395 | vaddr,vma->vm_start,vma->vm_end); | 394 | (unsigned long)vmf->virtual_address,vma->vm_start,vma->vm_end); |
396 | if (vaddr > vma->vm_end) | ||
397 | return NOPAGE_SIGBUS; | ||
398 | page = alloc_page(GFP_USER | __GFP_DMA32); | 395 | page = alloc_page(GFP_USER | __GFP_DMA32); |
399 | if (!page) | 396 | if (!page) |
400 | return NOPAGE_OOM; | 397 | return VM_FAULT_OOM; |
401 | clear_user_page(page_address(page), vaddr, page); | 398 | clear_user_page(page_address(page), vaddr, page); |
402 | if (type) | 399 | vmf->page = page; |
403 | *type = VM_FAULT_MINOR; | 400 | return 0; |
404 | return page; | ||
405 | } | 401 | } |
406 | 402 | ||
407 | static struct vm_operations_struct videobuf_vm_ops = | 403 | static struct vm_operations_struct videobuf_vm_ops = |
408 | { | 404 | { |
409 | .open = videobuf_vm_open, | 405 | .open = videobuf_vm_open, |
410 | .close = videobuf_vm_close, | 406 | .close = videobuf_vm_close, |
411 | .nopage = videobuf_vm_nopage, | 407 | .fault = videobuf_vm_fault, |
412 | }; | 408 | }; |
413 | 409 | ||
414 | /* --------------------------------------------------------------------- | 410 | /* --------------------------------------------------------------------- |