- goto out;
-
- if ((address < (unsigned long)area->vm_start) ||
- (address >
- (unsigned long)area->vm_start + (dma->n_pages << PAGE_SHIFT)))
- goto out;
-
- if (type)
- *type = VM_FAULT_MINOR;
- offset = address - area->vm_start;
- kernel_virt_addr = (unsigned long)dma->kvirt + offset;
- ret = vmalloc_to_page((void *)kernel_virt_addr);
- get_page(ret);
- out:
- return ret;
+ return VM_FAULT_SIGBUS;
+
+ if (vmf->pgoff >= dma->n_pages)
+ return VM_FAULT_SIGBUS;
+
+ vmf->page = vmalloc_to_page(dma->kvirt + (vmf->pgoff << PAGE_SHIFT));
+ get_page(vmf->page);
+ return 0;