From 8bf4f561262d9282cebdb3418cdb9a69c92216a0 Mon Sep 17 00:00:00 2001 From: Julia Suvorova Date: Wed, 19 Feb 2020 21:34:30 +0000 Subject: [PATCH 6/7] virtio: reset region cache when on queue deletion RH-Author: Julia Suvorova Message-id: <20200219213431.11913-4-jusual@redhat.com> Patchwork-id: 93982 O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH 3/4] virtio: reset region cache when on queue deletion Bugzilla: 1791590 RH-Acked-by: Danilo de Paula RH-Acked-by: Stefano Garzarella 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: Danilo C. L. de Paula --- hw/virtio/virtio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index e6a9ba4..f644d9a 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -2343,6 +2343,7 @@ void virtio_delete_queue(VirtQueue *vq) vq->handle_aio_output = NULL; g_free(vq->used_elems); vq->used_elems = NULL; + virtio_virtqueue_reset_region_cache(vq); } void virtio_del_queue(VirtIODevice *vdev, int n) -- 1.8.3.1