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tools/virtio: initialize spinlocks in vring_test.c

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[ Upstream commit c262f75cb6 ]

The virtio_device vqs_list spinlocks must be initialized before use to
prevent functions that manipulate the device virtualqueues, such as
vring_new_virtqueue(), from blocking indefinitely.

Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Message-Id: <20221012062949.1526176-1-ricardo.canuelo@collabora.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ricardo Cañuelo 2022-10-12 08:29:49 +02:00 committed by Greg Kroah-Hartman
parent 95fc28a8e9
commit 64a6f3689d
1 changed files with 2 additions and 0 deletions
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2
tools/virtio/vringh_test.c
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@ -308,6 +308,7 @@ static int parallel_test(u64 features,
gvdev.vdev.features = features;
INIT_LIST_HEAD(&gvdev.vdev.vqs);
spin_lock_init(&gvdev.vdev.vqs_list_lock);
gvdev.to_host_fd = to_host[1];
gvdev.notifies = 0;
@ -455,6 +456,7 @@ int main(int argc, char *argv[])
getrange = getrange_iov;
vdev.features = 0;
INIT_LIST_HEAD(&vdev.vqs);
spin_lock_init(&vdev.vqs_list_lock);
while (argv[1]) {
if (strcmp(argv[1], "--indirect") == 0)