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virtio-blk: add missing virtio_detach_element() call 

Make sure to unmap the scatter-gather list and decrement vq->inuse
before freeing requests in virtio_blk_reset().

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Ladi Prosek <lprosek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2016-09-19 14:28:04 +01:00 committed by Michael S. Tsirkin
parent 2640d2a5ff
commit 97b93c8ad2
1 changed files with 1 additions and 0 deletions
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1
hw/block/virtio-blk.c
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@ -665,6 +665,7 @@ static void virtio_blk_reset(VirtIODevice *vdev)
while (s->rq) {
req = s->rq;
s->rq = req->next;
virtqueue_detach_element(req->vq, &req->elem, 0);
virtio_blk_free_request(req);
}