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| author | Michael S. Tsirkin <mst@redhat.com> | 2013-06-06 16:20:39 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-11 13:46:21 +0400 |
| commit | 05c05351943cc03bf5c77e86953b24ae6fb21368 (patch) | |
| tree | 51274c86eeca2cd5040979d1fdebd81fe0518a19 /drivers/vhost/vhost.h | |
| parent | c2020be3c35ab230b4ee046c262ddab3e0d3aab4 (diff) | |
| download | linux-05c05351943cc03bf5c77e86953b24ae6fb21368.tar.xz | |
vhost: check owner before we overwrite ubuf_info
If device has an owner, we shouldn't touch ubuf_info
since it might be in use.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/vhost/vhost.h')
| -rw-r--r-- | drivers/vhost/vhost.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index a7ad63592987..64adcf99ff33 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -133,6 +133,7 @@ struct vhost_dev { long vhost_dev_init(struct vhost_dev *, struct vhost_virtqueue **vqs, int nvqs); long vhost_dev_set_owner(struct vhost_dev *dev); +bool vhost_dev_has_owner(struct vhost_dev *dev); long vhost_dev_check_owner(struct vhost_dev *); struct vhost_memory *vhost_dev_reset_owner_prepare(void); void vhost_dev_reset_owner(struct vhost_dev *, struct vhost_memory *); |