diff options
Diffstat (limited to 'sound/usb/usx2y/usx2yhwdeppcm.c')
-rw-r--r-- | sound/usb/usx2y/usx2yhwdeppcm.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index a5e7bcd7ca2e..800b5cecfc80 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c | |||
@@ -683,30 +683,24 @@ static void snd_usX2Y_hwdep_pcm_vm_close(struct vm_area_struct *area) | |||
683 | } | 683 | } |
684 | 684 | ||
685 | 685 | ||
686 | static struct page * snd_usX2Y_hwdep_pcm_vm_nopage(struct vm_area_struct *area, unsigned long address, int *type) | 686 | static int snd_usX2Y_hwdep_pcm_vm_fault(struct vm_area_struct *area, |
687 | struct vm_fault *vmf) | ||
687 | { | 688 | { |
688 | unsigned long offset; | 689 | unsigned long offset; |
689 | struct page *page; | ||
690 | void *vaddr; | 690 | void *vaddr; |
691 | 691 | ||
692 | offset = area->vm_pgoff << PAGE_SHIFT; | 692 | offset = vmf->pgoff << PAGE_SHIFT; |
693 | offset += address - area->vm_start; | ||
694 | snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_OOM); | ||
695 | vaddr = (char*)((struct usX2Ydev *)area->vm_private_data)->hwdep_pcm_shm + offset; | 693 | vaddr = (char*)((struct usX2Ydev *)area->vm_private_data)->hwdep_pcm_shm + offset; |
696 | page = virt_to_page(vaddr); | 694 | vmf->page = virt_to_page(vaddr); |
697 | get_page(page); | 695 | get_page(vmf->page); |
698 | 696 | return 0; | |
699 | if (type) | ||
700 | *type = VM_FAULT_MINOR; | ||
701 | |||
702 | return page; | ||
703 | } | 697 | } |
704 | 698 | ||
705 | 699 | ||
706 | static struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = { | 700 | static struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = { |
707 | .open = snd_usX2Y_hwdep_pcm_vm_open, | 701 | .open = snd_usX2Y_hwdep_pcm_vm_open, |
708 | .close = snd_usX2Y_hwdep_pcm_vm_close, | 702 | .close = snd_usX2Y_hwdep_pcm_vm_close, |
709 | .nopage = snd_usX2Y_hwdep_pcm_vm_nopage, | 703 | .fault = snd_usX2Y_hwdep_pcm_vm_fault, |
710 | }; | 704 | }; |
711 | 705 | ||
712 | 706 | ||