mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-25 20:05:39 +00:00
Code Issues Releases Wiki Activity

virtio-vdpa: Fix unchecked call to NULL set_vq_affinity

Browse source 
[ Upstream commit fe37efba47 ]

The referenced patch calls set_vq_affinity without checking if the op is
valid. This patch adds the check.

Fixes: 3dad56823b ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dragos Tatulea 2023-05-04 16:50:52 +03:00 committed by Greg Kroah-Hartman
parent cabaaa0ee0
commit 7b6a9ec3ed
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/virtio/virtio_vdpa.c
View file

@ -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;