These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / scsi / xen-scsifront.c

diff --git a/kernel/drivers/scsi/xen-scsifront.c b/kernel/drivers/scsi/xen-scsifront.c
index fad22ca..9dc8687 100644 (file)
--- a/kernel/drivers/scsi/xen-scsifront.c
+++ b/kernel/drivers/scsi/xen-scsifront.c
@@ -377,7 +377,6 @@ static int map_data_for_request(struct vscsifrnt_info *info,
        unsigned int data_len = scsi_bufflen(sc);
        unsigned int data_grants = 0, seg_grants = 0;
        struct scatterlist *sg;
-       unsigned long mfn;
        struct scsiif_request_segment *seg;
 
        ring_req->nr_segments = 0;
@@ -420,9 +419,9 @@ static int map_data_for_request(struct vscsifrnt_info *info,
                        ref = gnttab_claim_grant_reference(&gref_head);
                        BUG_ON(ref == -ENOSPC);
 
-                       mfn = pfn_to_mfn(page_to_pfn(page));
                        gnttab_grant_foreign_access_ref(ref,
-                               info->dev->otherend_id, mfn, 1);
+                               info->dev->otherend_id,
+                               xen_page_to_gfn(page), 1);
                        shadow->gref[ref_cnt] = ref;
                        ring_req->seg[ref_cnt].gref   = ref;
                        ring_req->seg[ref_cnt].offset = (uint16_t)off;
@@ -454,9 +453,10 @@ static int map_data_for_request(struct vscsifrnt_info *info,
                        ref = gnttab_claim_grant_reference(&gref_head);
                        BUG_ON(ref == -ENOSPC);
 
-                       mfn = pfn_to_mfn(page_to_pfn(page));
                        gnttab_grant_foreign_access_ref(ref,
-                               info->dev->otherend_id, mfn, grant_ro);
+                               info->dev->otherend_id,
+                               xen_page_to_gfn(page),
+                               grant_ro);
 
                        shadow->gref[ref_cnt] = ref;
                        seg->gref   = ref;