[PATCH v11 15/40] virtio_ring: packed: introduce vring_free_packed
From: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Date: 2022-06-29 06:57:51
Also in:
bpf, kvm, linux-remoteproc, linux-s390, linux-um, platform-driver-x86, virtualization
Subsystem:
the rest, virtio core · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang
Free the structure struct vring_vritqueue_packed. Subsequent patches require it. Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> --- drivers/virtio/virtio_ring.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 1aaa1e5f9991..4f497b6f2d04 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c@@ -1830,6 +1830,27 @@ 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, + struct virtio_device *vdev) +{ + if (vring->vring.desc) + vring_free_queue(vdev, vring->ring_size_in_bytes, + vring->vring.desc, vring->ring_dma_addr); + + if (vring->vring.driver) + vring_free_queue(vdev, vring->event_size_in_bytes, + vring->vring.driver, + vring->driver_event_dma_addr); + + if (vring->vring.device) + vring_free_queue(vdev, vring->event_size_in_bytes, + vring->vring.device, + vring->device_event_dma_addr); + + kfree(vring->desc_state); + kfree(vring->desc_extra); +} + static struct virtqueue *vring_create_virtqueue_packed( unsigned int index, unsigned int num,
--
2.31.0