On 2023-05-04 p.m.1:19, Dragos Tatulea wrote:
On Thu, 2023-05-04 at 13:08 -0400, Feng Liu wrote:
On 2023-05-04 a.m.9:50, Dragos Tatulea wrote:
External email: Use caution opening links or attachments
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@xxxxxxxxxx>
Signed-off-by: Dragos Tatulea <dtatulea@xxxxxxxxxx>
---
drivers/virtio/virtio_vdpa.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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]);
if ops->set_vq_affinity is NULL, should give an error code to err, and
return err
I don't think so: the set_vq_affinity is marked as optional.
Yes, I see
}
cb.callback = virtio_vdpa_config_cb;
--
2.40.1
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