3877         )

  3877         )

  3878 {

  3878 {

  3879     unsigned long offset;

  3879     unsigned long offset;

  3880     struct page *page = NOPAGE_SIGBUS;

  3880     struct page *page = NOPAGE_SIGBUS;

  3881     ec_cdev_priv_t *priv = (ec_cdev_priv_t *) vma->vm_private_data;

  3881     ec_cdev_priv_t *priv = (ec_cdev_priv_t *) vma->vm_private_data;

  3882 

  3883 

  3883     offset = (address - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT);

  3884     offset = (address - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT);

  3884 

  3885 

  3885     if (offset >= priv->process_data_size)

  3886     if (offset >= priv->process_data_size)

  3886         return NOPAGE_SIGBUS;

  3887         return NOPAGE_SIGBUS;

  3887 

  3888 

  3888     page = vmalloc_to_page(priv->process_data + offset);

  3889     page = vmalloc_to_page(priv->process_data + offset);

  3889 

  3890 

  3891             " offset = %#lx, page = %p\n", address, offset, page);

  3892             " offset = %#lx, page = %p\n", address, offset, page);

  3892 

  3893 

  3893     get_page(page);

  3894     get_page(page);

  3894     if (type)

  3895     if (type)

  3895         *type = VM_FAULT_MINOR;

  3896         *type = VM_FAULT_MINOR;