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| author |   Jason Wang <jasowang@redhat.com> | 2020-08-04 19:20:37 +0300 |
|---|---|---|
| committer |   Michael S. Tsirkin <mst@redhat.com> | 2020-08-05 18:39:17 -0400 |
| commit | b0bd82bf729dbd05757e599f20df38dff5b97091 (patch) | |
| tree | 28f9aa110861756188f90af456763da69f42d69c /drivers/vhost | |
| parent | Merge branch 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux into HEAD (diff) | |
| download | wireguard-linux-b0bd82bf729dbd05757e599f20df38dff5b97091.tar.xz wireguard-linux-b0bd82bf729dbd05757e599f20df38dff5b97091.zip | |
vhost-vdpa: refine ioctl pre-processing
Switch to use 'switch' to make the codes more easier to be extended.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200804162048.22587-2-eli@mellanox.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/vdpa.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index f8f8c9cf05b0..01475bec6e0d 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -360,15 +360,16 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, idx = array_index_nospec(idx, v->nvqs); vq = &v->vqs[idx]; - if (cmd == VHOST_VDPA_SET_VRING_ENABLE) { + switch (cmd) { + case VHOST_VDPA_SET_VRING_ENABLE: if (copy_from_user(&s, argp, sizeof(s))) return -EFAULT; ops->set_vq_ready(vdpa, idx, s.num); return 0; - } - - if (cmd == VHOST_GET_VRING_BASE) + case VHOST_GET_VRING_BASE: vq->last_avail_idx = ops->get_vq_state(v->vdpa, idx); + break; + } r = vhost_vring_ioctl(&v->vdev, cmd, argp); if (r) |