From 2bc9e0da573f77b2f21cc6e4a681c31ddeccfd1d Mon Sep 17 00:00:00 2001 From: Li Qiang Date: Thu, 13 Aug 2020 09:51:25 -0700 Subject: [PATCH] hw: virtio-pmem: detach the element fromt the virtqueue when error occurs If error occurs while processing the virtio request we should call 'virtqueue_detach_element' to detach the element from the virtqueue before free the elem. Signed-off-by: Li Qiang Message-Id: <20200813165125.59928-1-liq3ea@163.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Fixes: 5f503cd9f3 ("virtio-pmem: add virtio device") Reviewed-by: Pankaj Gupta --- hw/virtio/virtio-pmem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/virtio/virtio-pmem.c b/hw/virtio/virtio-pmem.c index 1e0c137497..ddb0125901 100644 --- a/hw/virtio/virtio-pmem.c +++ b/hw/virtio/virtio-pmem.c @@ -77,6 +77,7 @@ static void virtio_pmem_flush(VirtIODevice *vdev, VirtQueue *vq) if (req_data->elem.out_num < 1 || req_data->elem.in_num < 1) { virtio_error(vdev, "virtio-pmem request not proper"); + virtqueue_detach_element(vq, (VirtQueueElement *)req_data, 0); g_free(req_data); return; } -- 2.11.4.GIT