Fix get/put refcount imbalance with zero copy, which caused qemu to hang forever on guest driver unload. Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> --- Dave, I've put this on my tree so no need for you to bother. drivers/vhost/vhost.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 46822c0..c16d225 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1578,7 +1578,6 @@ struct vhost_ubuf_ref *vhost_ubuf_alloc(struct vhost_virtqueue *vq, if (!ubufs) return ERR_PTR(-ENOMEM); kref_init(&ubufs->kref); - kref_get(&ubufs->kref); init_waitqueue_head(&ubufs->wait); ubufs->vq = vq; return ubufs; -- 1.7.5.53.gc233e _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
