Since this will be called in other circumstances(freeze), we must check whether it is xsk's buffer in this function. It cannot be judged outside this function.
Signed-off-by: Xuan Zhuo <xuanz...@linux.alibaba.com> --- drivers/net/virtio/main.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/virtio/main.c b/drivers/net/virtio/main.c index 35f0daaea7e5..81d390781a4f 100644 --- a/drivers/net/virtio/main.c +++ b/drivers/net/virtio/main.c @@ -4146,6 +4146,14 @@ void virtnet_rq_free_unused_bufs(struct virtqueue *vq) rq = &vi->rq[i]; while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) { + if (rq->xsk.pool) { + struct xdp_buff *xdp; + + xdp = (struct xdp_buff *)buf; + xsk_buff_free(xdp); + continue; + } + if (virtqueue_get_dma_premapped(rq->vq)) virtnet_rq_unmap(rq, buf, 0); -- 2.32.0.3.g01195cf9f