virtio: Silence uninitialized variable warning
Smatch complains that we might not initialize "queue". The issue is callers like setup_vq() from virtio_pci_modern.c where "num" could be something like 2 and "vring_align" is 64. In that case, vring_size() is less than PAGE_SIZE. It won't happen in real life, but we're getting the value of "num" from a register so it's not really possible to tell what value it holds with static analysis. Let's just silence the warning. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
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