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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-12 10:00:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-12 10:00:15 -0800 |
| commit | aefd140437aab84afeec0be48dd6871c2113a746 (patch) | |
| tree | 275015c16f7b6f80a7409d4f9c81ae1ad178d44f /drivers | |
| parent | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (diff) | |
| parent | xen/gntdev: Fix partial gntdev_mmap() cleanup (diff) | |
| download | linux-dev-aefd140437aab84afeec0be48dd6871c2113a746.tar.xz linux-dev-aefd140437aab84afeec0be48dd6871c2113a746.zip | |
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()
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/xen/gntdev.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 57efbd3b053b..bd56653b9bbc 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -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; } |