diff options
Diffstat (limited to 'drivers/uio')
-rw-r--r-- | drivers/uio/uio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 67beb8444930..f7beb6eb40c7 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c | |||
@@ -653,6 +653,8 @@ static int uio_mmap_physical(struct vm_area_struct *vma) | |||
653 | return -EINVAL; | 653 | return -EINVAL; |
654 | mem = idev->info->mem + mi; | 654 | mem = idev->info->mem + mi; |
655 | 655 | ||
656 | if (mem->addr & ~PAGE_MASK) | ||
657 | return -ENODEV; | ||
656 | if (vma->vm_end - vma->vm_start > mem->size) | 658 | if (vma->vm_end - vma->vm_start > mem->size) |
657 | return -EINVAL; | 659 | return -EINVAL; |
658 | 660 | ||