aboutsummaryrefslogtreecommitdiffstats
path: root/sound/usb/usx2y/usx2yhwdeppcm.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/usb/usx2y/usx2yhwdeppcm.c')
-rw-r--r--sound/usb/usx2y/usx2yhwdeppcm.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index a5e7bcd..800b5ce 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)
}
-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,
};