From eec59692f7c3a776a3b5d01a367a3f467f403941 Mon Sep 17 00:00:00 2001 From: Julia Suvorova Date: Wed, 4 Mar 2020 20:07:53 -0500 Subject: [PATCH 11/12] virtio: reset region cache when on queue deletion RH-Author: Julia Suvorova Message-id: <20200304200754.32708-4-jusual@redhat.com> Patchwork-id: 94154 O-Subject: [RHEL-7.9 qemu-kvm-rhev PATCH 3/4] virtio: reset region cache when on queue deletion Bugzilla: 1721403 RH-Acked-by: Stefano Garzarella RH-Acked-by: Maxim Levitsky RH-Acked-by: Michael S. Tsirkin From: Yuri Benditovich https://bugzilla.redhat.com/show_bug.cgi?id=1708480 Fix leak of region reference that prevents complete device deletion on hot unplug. Cc: qemu-stable@nongnu.org Signed-off-by: Yuri Benditovich Message-Id: <20191226043649.14481-2-yuri.benditovich@daynix.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin (cherry picked from commit 421afd2fe8dd4603216cbf36081877c391f5a2a4) Signed-off-by: Jon Maloy --- hw/virtio/virtio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 29d8502500..9d624a3529 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -1608,6 +1608,7 @@ void virtio_delete_queue(VirtQueue *vq) vq->vring.num_default = 0; vq->handle_output = NULL; vq->handle_aio_output = NULL; + virtio_virtqueue_reset_region_cache(vq); } void virtio_del_queue(VirtIODevice *vdev, int n) -- 2.18.2