diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 67beb84449304d987c68a544c02b9c6e428dce1a..f7beb6eb40c714ae71309807b94b55a643501a9f 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) 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;