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Subject[PATCH] xen/scsifront: use offset_in_page() macro
Date
Use offset_in_page() macro instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
drivers/scsi/xen-scsifront.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c
index 9aa1fe1..a6a8b60 100644
--- a/drivers/scsi/xen-scsifront.c
+++ b/drivers/scsi/xen-scsifront.c
@@ -434,7 +434,7 @@ static int map_data_for_request(struct vscsifrnt_info *info,

if (seg_grants) {
page = virt_to_page(seg);
- off = (unsigned long)seg & ~PAGE_MASK;
+ off = offset_in_page(seg);
len = sizeof(struct scsiif_request_segment) * data_grants;
while (len > 0) {
bytes = min_t(unsigned int, len, PAGE_SIZE - off);
--
2.9.3
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