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[PULL v3 29/32] virtio: reset region cache when on queue deletion


From: Michael S. Tsirkin
Subject: [PULL v3 29/32] virtio: reset region cache when on queue deletion
Date: Tue, 7 Jan 2020 11:31:41 -0500

From: Yuri Benditovich <address@hidden>

https://bugzilla.redhat.com/show_bug.cgi?id=1708480
Fix leak of region reference that prevents complete
device deletion on hot unplug.

Cc: address@hidden
Signed-off-by: Yuri Benditovich <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
 hw/virtio/virtio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 95d8ff8508..7b861e0ca0 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -2344,6 +2344,7 @@ 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)
-- 
MST




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