Staging: comedi: Use predefined macro offset_in_page() instead of (addr & ~PAGE_MASK).

Use predefined macro offset_in_page() instead of (addr & ~PAGE_MASK).

Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index d1cf6a1..7c7b477 100644 (file)
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2224,7 +2224,7 @@ static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
                retval = -EFAULT;
                goto done;
        }
-       if (size & (~PAGE_MASK)) {
+       if (offset_in_page(size)) {
                retval = -EFAULT;
                goto done;
        }