From 6356f8bb01ddf4a6d9f2da16f7c0e3c093c7f548 Mon Sep 17 00:00:00 2001 From: Xuan Zhuo Date: Mon, 1 Aug 2022 14:38:37 +0800 Subject: [PATCH] virtio_ring: packed: introduce vring_free_packed Free the structure struct vring_vritqueue_packed. Subsequent patches require it. Signed-off-by: Xuan Zhuo Acked-by: Jason Wang Message-Id: <20220801063902.129329-18-xuanzhuo@linux.alibaba.com> Signed-off-by: Michael S. Tsirkin --- drivers/virtio/virtio_ring.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 1852912..2993d81 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -1832,6 +1832,28 @@ static struct vring_desc_extra *vring_alloc_desc_extra(unsigned int num) return desc_extra; } +static void vring_free_packed(struct vring_virtqueue_packed *vring_packed, + struct virtio_device *vdev) +{ + if (vring_packed->vring.desc) + vring_free_queue(vdev, vring_packed->ring_size_in_bytes, + vring_packed->vring.desc, + vring_packed->ring_dma_addr); + + if (vring_packed->vring.driver) + vring_free_queue(vdev, vring_packed->event_size_in_bytes, + vring_packed->vring.driver, + vring_packed->driver_event_dma_addr); + + if (vring_packed->vring.device) + vring_free_queue(vdev, vring_packed->event_size_in_bytes, + vring_packed->vring.device, + vring_packed->device_event_dma_addr); + + kfree(vring_packed->desc_state); + kfree(vring_packed->desc_extra); +} + static struct virtqueue *vring_create_virtqueue_packed( unsigned int index, unsigned int num, -- 2.7.4