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Diffstat (limited to 'drivers/staging/comedi/comedi_buf.c')
-rw-r--r--drivers/staging/comedi/comedi_buf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c
index 8e9b30b26810..b455ff6714eb 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;