Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
[pandora-kernel.git] / sound / usb / usx2y / usx2yhwdeppcm.c
index a5e7bcd..117946f 100644 (file)
@@ -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,
 };
 
 
@@ -728,7 +722,7 @@ static int snd_usX2Y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, st
                return -ENODEV;
        }
        area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops;
-       area->vm_flags |= VM_RESERVED;
+       area->vm_flags |= VM_RESERVED | VM_DONTEXPAND;
        area->vm_private_data = hw->private_data;
        return 0;
 }