Patch-mainline: 5.17

Git-commit: 32f1b53fe8f03d962423ba81f8e92af5839814da

References: git-fixes

From: Stefano Garzarella <sgarzare@redhat.com>

Date: Tue, 18 Jan 2022 16:06:31 +0100

Subject: [PATCH] tools/virtio: fix virtio_test execution

virtio_test hangs on __vring_new_virtqueue() because `vqs_list_lock`

is not initialized.

Let's initialize it in vdev_info_init().

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>

Link: https://lore.kernel.org/r/20220118150631.167015-1-sgarzare@redhat.com

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

Acked-by: Jason Wang <jasowang@redhat.com>

Signed-off-by: Juergen Gross <jgross@suse.com>

---

 tools/virtio/virtio_test.c | 1 +

 1 file changed, 1 insertion(+)

diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c

index cb3f29c09aff..23f142af544a 100644

--- a/tools/virtio/virtio_test.c

+++ b/tools/virtio/virtio_test.c

@@ -130,6 +130,7 @@ static void vdev_info_init(struct vdev_info* dev, unsigned long long features)

 	memset(dev, 0, sizeof *dev);

 	dev->vdev.features = features;

 	INIT_LIST_HEAD(&dev->vdev.vqs);

+	spin_lock_init(&dev->vdev.vqs_list_lock);

 	dev->buf_size = 1024;

 	dev->buf = malloc(dev->buf_size);

 	assert(dev->buf);

-- 

2.35.3