mirror of https://github.com/proxmox/mirror_qemu
virtio-blk: Return UNSUPP for unknown request types
Currently, all unknown requests are treated as VIRTIO_BLK_T_IN Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>master
parent
392808b49b
commit
9e72c45033
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@ -398,10 +398,14 @@ static void virtio_blk_handle_request(VirtIOBlockReq *req,
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qemu_iovec_init_external(&req->qiov, &req->elem.out_sg[1],
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req->elem.out_num - 1);
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virtio_blk_handle_write(req, mrb);
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} else {
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} else if (type == VIRTIO_BLK_T_IN || type == VIRTIO_BLK_T_BARRIER) {
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/* VIRTIO_BLK_T_IN is 0, so we can't just & it. */
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qemu_iovec_init_external(&req->qiov, &req->elem.in_sg[0],
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req->elem.in_num - 1);
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virtio_blk_handle_read(req);
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} else {
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virtio_blk_req_complete(req, VIRTIO_BLK_S_UNSUPP);
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g_free(req);
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}
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}
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