Commit f47d8b11 authored Jul 03, 2017 by Amitoj Kaur Chawla Committed by Greg Kroah-Hartman Jul 16, 2017

staging: comedi: Use offset_in_page macro



Use offset_in_page macro instead of (var & ~PAGE_MASK)

The Coccinelle semantic patch used to make this change is as follows:
// <smpl>
@@
unsigned long p;
@@
- p & ~PAGE_MASK
+ offset_in_page(p)
// </smpl>

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 2fcd74b7

drivers/staging/comedi/comedi_buf.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -165,7 +165,7 @@ int comedi_buf_map_put(struct comedi_buf_map *bm)
		int comedi_buf_map_access(struct comedi_buf_map *bm, unsigned long offset,
		void *buf, int len, int write)
		{
		unsigned int pgoff = offset & ~PAGE_MASK;
		unsigned int pgoff = offset_in_page(offset);
		unsigned long pg = offset >> PAGE_SHIFT;
		int done = 0;

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