diff options
| author | Dragos Tatulea <dtatulea@nvidia.com> | 2023-05-04 15:50:52 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-06-27 16:47:08 +0200 |
| commit | fe37efba475375caa2dbc71cb06f53f7086277ef (patch) | |
| tree | a7001d38b369005b13e40ed27048df96b7bb6a0e /drivers/virtio | |
| parent | vdpa/snet: implement the resume vDPA callback (diff) | |
| download | linux-fe37efba475375caa2dbc71cb06f53f7086277ef.tar.xz linux-fe37efba475375caa2dbc71cb06f53f7086277ef.zip | |
virtio-vdpa: Fix unchecked call to NULL set_vq_affinity
The referenced patch calls set_vq_affinity without checking if the op is
valid. This patch adds the check.
Fixes: 3dad56823b53 ("virtio-vdpa: Support interrupt affinity spreading mechanism")
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Message-Id: <20230504135053.2283816-1-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Feng Liu <feliu@nvidia.com>
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/virtio_vdpa.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c index eb6aee8c06b2..989e2d7184ce 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -385,7 +385,9 @@ static int virtio_vdpa_find_vqs(struct virtio_device *vdev, unsigned int nvqs, err = PTR_ERR(vqs[i]); goto err_setup_vq; } - ops->set_vq_affinity(vdpa, i, &masks[i]); + + if (ops->set_vq_affinity) + ops->set_vq_affinity(vdpa, i, &masks[i]); } cb.callback = virtio_vdpa_config_cb; |