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5af7caaadd
When reverse connection is in use, there is no active VNC server
socket. Because of this, getsockopt(-1, ...) is attempted and
the following error is emitted:
$ socat TCP-LISTEN:5900,reuseaddr TCP-LISTEN:5901,reuseaddr &
$ x86_64-softmmu/qemu-system-x86_64 -vnc localhost:5900,reverse -monitor stdio
QEMU 1.2.50 monitor - type 'help' for more information
(qemu) info vnc
An undefined error has occurred
Because however the host, family, service and auth fields are
optional, we can just exit if there is no active server socket.
$ x86_64-softmmu/qemu-system-x86_64 -vnc localhost:5900,reverse -monitor stdio
QEMU 1.2.50 monitor - type 'help' for more information
(qemu) info vnc
Server:
Client:
address: 127.0.0.1:5900
x509_dname: none
username: none
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
(cherry picked from commit 417b0b8890)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>