diff options
Diffstat (limited to 'drivers/virtio/virtio_vdpa.c')
| -rw-r--r-- | drivers/virtio/virtio_vdpa.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c index 961161da5900..06ce6d8c2e00 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -366,11 +366,14 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs, struct irq_affinity default_affd = { 0 }; struct cpumask *masks; struct vdpa_callback cb; + bool has_affinity = desc && ops->set_vq_affinity; int i, err, queue_idx = 0; - masks = create_affinity_masks(nvqs, desc ? desc : &default_affd); - if (!masks) - return -ENOMEM; + if (has_affinity) { + masks = create_affinity_masks(nvqs, desc ? desc : &default_affd); + if (!masks) + return -ENOMEM; + } for (i = 0; i < nvqs; ++i) { if (!names[i]) { @@ -386,20 +389,22 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs, goto err_setup_vq; } - if (ops->set_vq_affinity) + if (has_affinity) ops->set_vq_affinity(vdpa, i, &masks[i]); } cb.callback = virtio_vdpa_config_cb; cb.private = vd_dev; ops->set_config_cb(vdpa, &cb); - kfree(masks); + if (has_affinity) + kfree(masks); return 0; err_setup_vq: virtio_vdpa_del_vqs(vdev); - kfree(masks); + if (has_affinity) + kfree(masks); return err; } |