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authorXuan Zhuo <xuanzhuo@linux.alibaba.com>2022-08-01 08:38:37 +0200
committerMichael S. Tsirkin <mst@redhat.com>2022-08-11 10:06:39 +0200
commit6356f8bb01ddf4a6d9f2da16f7c0e3c093c7f548 (patch)
treec4b688807dbac3b9e45cf0a366302a3c91389eea /drivers/virtio/virtio_ring.c
parentvirtio_ring: split: introduce virtqueue_resize_split() (diff)
downloadlinux-6356f8bb01ddf4a6d9f2da16f7c0e3c093c7f548.tar.xz
linux-6356f8bb01ddf4a6d9f2da16f7c0e3c093c7f548.zip
virtio_ring: packed: introduce vring_free_packed
Free the structure struct vring_vritqueue_packed. Subsequent patches require it. Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Acked-by: Jason Wang <jasowang@redhat.com> Message-Id: <20220801063902.129329-18-xuanzhuo@linux.alibaba.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio/virtio_ring.c')
-rw-r--r--drivers/virtio/virtio_ring.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 1852912d711e..2993d817871a 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,