virtio-gpu: fix memory leak in resource attach backing
In the resource attach backing function, everytime it will allocate 'res->iov' thus can leading a memory leak. This patch avoid this. Signed-off-by: Li Qiang <liq3ea@gmail.com> Message-id: 1483003721-65360-1-git-send-email-liq3ea@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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@ -714,6 +714,11 @@ virtio_gpu_resource_attach_backing(VirtIOGPU *g,
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return;
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}
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if (res->iov) {
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cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
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return;
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}
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ret = virtio_gpu_create_mapping_iov(&ab, cmd, &res->addrs, &res->iov);
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if (ret != 0) {
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cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
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