The gnttab_set_{map,unmap}_op functions should be used instead of
directly populating the fields of gnttab_map_grant_ref.
Signed-off-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
---
drivers/xen/xenbus/xenbus_client.c | 17 +++++++----------
1 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/xen/xenbus/xenbus_client.c
b/drivers/xen/xenbus/xenbus_client.c
index 534e744..ca7c287 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -544,12 +544,10 @@ EXPORT_SYMBOL_GPL(xenbus_map_ring_valloc);
int xenbus_map_ring(struct xenbus_device *dev, int gnt_ref,
grant_handle_t *handle, void *vaddr)
{
- struct gnttab_map_grant_ref op = {
- .host_addr = (unsigned long)vaddr,
- .flags = GNTMAP_host_map,
- .ref = gnt_ref,
- .dom = dev->otherend_id,
- };
+ struct gnttab_map_grant_ref op;
+
+ gnttab_set_map_op(&op, (phys_addr_t)vaddr, GNTMAP_host_map, gnt_ref,
+ dev->otherend_id);
if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1))
BUG();
@@ -674,10 +672,9 @@ EXPORT_SYMBOL_GPL(xenbus_unmap_ring_vfree);
int xenbus_unmap_ring(struct xenbus_device *dev,
grant_handle_t handle, void *vaddr)
{
- struct gnttab_unmap_grant_ref op = {
- .host_addr = (unsigned long)vaddr,
- .handle = handle,
- };
+ struct gnttab_unmap_grant_ref op;
+
+ gnttab_set_unmap_op(&op, (phys_addr_t)vaddr, GNTMAP_host_map, handle);
if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1))
BUG();
--
1.7.6.4
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