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red-qxl: Make sure we have at least one monitor

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It does not make sense to have a graphic card without a monitor.
In spice_qxl_set_max_monitors we prevent to set 0 monitors, do
the same in spice_qxl_set_device_info.

This fixes https://bugzilla.redhat.com/show_bug.cgi?id=1691721.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Tested-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Victor Toso <victortoso@redhat.com>
This commit is contained in:
Frediano Ziglio 2019-09-19 11:17:08 +01:00
parent b862bee93f
commit 4f2d90a784
1 changed files with 1 additions and 1 deletions
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2
server/red-qxl.c
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@ -804,7 +804,7 @@ void spice_qxl_set_device_info(QXLInstance *instance,
}
instance->st->monitors_count = device_display_id_count;
instance->st->max_monitors = device_display_id_count;
instance->st->max_monitors = MAX(1u, device_display_id_count);
reds_send_device_display_info(red_qxl_get_server(instance->st));
}