virtio-serial: Don't clear ->have_data() pointer after unplug
After a port unplug operation, the port->info->have_data() pointer was set to NULL. The problem is, the ->info struct is shared by all ports, effectively disabling writes to other ports. Reported-by: juzhang <juzhang@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
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@ -82,7 +82,6 @@ static int virtconsole_exitfn(VirtIOSerialPort *port)
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VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);
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if (vcon->chr) {
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port->info->have_data = NULL;
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qemu_chr_close(vcon->chr);
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}
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