Author: royger
Date: Thu Feb 23 13:14:28 2017
New Revision: 314138
URL: https://svnweb.freebsd.org/changeset/base/314138
Log:
xen/gndev: use UOFF_TO_IDX instead of OFF_TO_IDX
The Xen grant table device treats the mmap offset parameter as an unsigned
type, and as so it must use the newly introduced UOFF_TO_IDX.
Sponsored by: Citrix Systems R&D
MFC after: 2 weeks
X-MFC-with: r313690
Modified:
head/sys/dev/xen/gntdev/gntdev.c
Modified: head/sys/dev/xen/gntdev/gntdev.c
==============================================================================
--- head/sys/dev/xen/gntdev/gntdev.c Thu Feb 23 09:55:55 2017
(r314137)
+++ head/sys/dev/xen/gntdev/gntdev.c Thu Feb 23 13:14:28 2017
(r314138)
@@ -796,8 +796,8 @@ gntdev_gmap_pg_fault(vm_object_t object,
relative_offset = offset - gmap->file_index;
- pidx = OFF_TO_IDX(offset);
- ridx = OFF_TO_IDX(relative_offset);
+ pidx = UOFF_TO_IDX(offset);
+ ridx = UOFF_TO_IDX(relative_offset);
if (ridx >= gmap->count ||
gmap->grant_map_ops[ridx].status != GNTST_okay)
return (VM_PAGER_FAIL);
@@ -1067,7 +1067,7 @@ mmap_gref(struct per_user_data *priv_use
break;
vm_page_insert(gref->page, mem_obj,
- OFF_TO_IDX(gref->file_index));
+ UOFF_TO_IDX(gref->file_index));
count--;
}
@@ -1207,7 +1207,7 @@ gntdev_mmap_single(struct cdev *cdev, vm
if (error != 0)
return (EINVAL);
- count = OFF_TO_IDX(size);
+ count = UOFF_TO_IDX(size);
gref_start = gntdev_find_grefs(priv_user, *offset, count);
if (gref_start) {
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
