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xen: fixes for 4.15-rc8

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Merge tag 'for-linus-4.15-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:
 "This contains two build fixes for clang and two fixes for rather
  unlikely situations in the Xen gntdev driver"

* tag 'for-linus-4.15-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/gntdev: Fix partial gntdev_mmap() cleanup
  xen/gntdev: Fix off-by-one error when unmapping with holes
  x86: xen: remove the use of VLAIS
  x86/xen/time: fix section mismatch for xen_init_time_ops()
This commit is contained in:
Linus Torvalds 2018-01-12 10:00:15 -08:00
commit aefd140437
3 changed files with 8 additions and 10 deletions
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8
drivers/xen/gntdev.c
View file

@ -380,10 +380,8 @@ static int unmap_grant_pages(struct grant_map *map, int offset, int pages)
}
range = 0;
while (range < pages) {
if (map->unmap_ops[offset+range].handle == -1) {
range--;
if (map->unmap_ops[offset+range].handle == -1)
break;
}
range++;
}
err = __unmap_grant_pages(map, offset, range);
@ -1073,8 +1071,10 @@ unlock_out:
out_unlock_put:
mutex_unlock(&priv->lock);
out_put_map:
if (use_ptemod)
if (use_ptemod) {
map->vma = NULL;
unmap_grant_pages(map, 0, map->count);
}
gntdev_put_map(priv, map);
return err;
}