[ALSA] alsa: usx2y nopage

[linux-2.6-omap-h63xx.git] / sound / usb / usx2y / usx2yhwdeppcm.c

diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index a5e7bcd7ca2ec0c5b486ba0b56c5f8e8f9d41a75..800b5cecfc8054ce38026e954a17f67b481ebfc8 100644 (file)
--- 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)
 }
 
 
-static struct page * snd_usX2Y_hwdep_pcm_vm_nopage(struct vm_area_struct *area, unsigned long address, int *type)
+static int snd_usX2Y_hwdep_pcm_vm_fault(struct vm_area_struct *area,
+                                       struct vm_fault *vmf)
 {
        unsigned long offset;
-       struct page *page;
        void *vaddr;
 
-       offset = area->vm_pgoff << PAGE_SHIFT;
-       offset += address - area->vm_start;
-       snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_OOM);
+       offset = vmf->pgoff << PAGE_SHIFT;
        vaddr = (char*)((struct usX2Ydev *)area->vm_private_data)->hwdep_pcm_shm + offset;
-       page = virt_to_page(vaddr);
-       get_page(page);
-
-       if (type)
-               *type = VM_FAULT_MINOR;
-
-       return page;
+       vmf->page = virt_to_page(vaddr);
+       get_page(vmf->page);
+       return 0;
 }
 
 
 static struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = {
        .open = snd_usX2Y_hwdep_pcm_vm_open,
        .close = snd_usX2Y_hwdep_pcm_vm_close,
-       .nopage = snd_usX2Y_hwdep_pcm_vm_nopage,
+       .fault = snd_usX2Y_hwdep_pcm_vm_fault,
 };