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staging: comedi: Use offset_in_page macro

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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>
This commit is contained in:
Amitoj Kaur Chawla 2017-07-03 19:13:34 -04:00 committed by Greg Kroah-Hartman
parent 2fcd74b7c2
commit f47d8b11ee
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/comedi/comedi_buf.c
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@ -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;