Message ID | 1406067727-19683-37-git-send-email-kamal@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 96f1359..9981b9b 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -655,6 +655,8 @@ static int uio_mmap_physical(struct vm_area_struct *vma) return -EINVAL; mem = idev->info->mem + mi; + if (mem->addr & ~PAGE_MASK) + return -ENODEV; if (vma->vm_end - vma->vm_start > mem->size) return -EINVAL;