1 files changed, 4 insertions, 12 deletions

diff --git a/drivers/ieee1394/dma.c b/drivers/ieee1394/dma.c
index ec024b5d5e5e..73685e7dc7e4 100644
--- a/drivers/ieee1394/dma.c
+++ b/drivers/ieee1394/dma.c
@@ -231,28 +231,20 @@ void dma_region_sync_for_device(struct dma_region *dma, unsigned long offset,
 
 #ifdef CONFIG_MMU
 
-/* fault() handler for mmap access */
-
 static int dma_region_pagefault(struct vm_area_struct *vma,
-                                        struct vm_fault *vmf)
+                                struct vm_fault *vmf)
 {
-        unsigned long kernel_virt_addr;
-
         struct dma_region *dma = (struct dma_region *)vma->vm_private_data;
 
         if (!dma->kvirt)
-                goto error;
+                return VM_FAULT_SIGBUS;
 
         if (vmf->pgoff >= dma->n_pages)
-                goto error;
+                return VM_FAULT_SIGBUS;
 
-        kernel_virt_addr = (unsigned long)dma->kvirt + (vmf->pgoff << PAGE_SHIFT);
-        vmf->page = vmalloc_to_page((void *)kernel_virt_addr);
+        vmf->page = vmalloc_to_page(dma->kvirt + (vmf->pgoff << PAGE_SHIFT));
         get_page(vmf->page);
         return 0;
-
-      error:
-        return VM_FAULT_SIGBUS;
 }
 
 static struct vm_operations_struct dma_region_vm_ops = {