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@xxxxxxxxx>
---
drivers/staging/comedi/comedi_buf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c
index 8e9b30b..b455ff6 100644
--- a/drivers/staging/comedi/comedi_buf.c
+++ b/drivers/staging/comedi/comedi_buf.c
@@ -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;
--
2.7.4
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