diff options
| -rw-r--r-- | net/9p/trans_virtio.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index daa749c8b3fb..d8e376a5f0f1 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -524,6 +524,12 @@ static int p9_virtio_probe(struct virtio_device *vdev) int err; struct virtio_chan *chan; + if (!vdev->config->get) { + dev_err(&vdev->dev, "%s failure: config access disabled\n", + __func__); + return -EINVAL; + } + chan = kmalloc(sizeof(struct virtio_chan), GFP_KERNEL); if (!chan) { pr_err("Failed to allocate virtio 9P channel\n"); |