From 6483e3135a693548874429db901c0544d3a9b4cd Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Sat, 22 Apr 2017 09:21:13 +0800 Subject: [PATCH] xen/scsifront: use offset_in_page() macro Use offset_in_page() macro instead of open-coding. Signed-off-by: Geliang Tang Reviewed-by: Juergen Gross Signed-off-by: Juergen Gross --- 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); -- 2.7.4