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console: add & use qemu_console_lookup_by_device_name

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We have two places needing this, and a third one will come shortly.
So factor things out into a helper function to reduce code duplication.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Gerd Hoffmann 2016-01-12 11:45:43 +01:00
parent 071608b519
commit f2c1d54c18
4 changed files with 33 additions and 22 deletions
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15
ui/vnc.c
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@ -3732,19 +3732,12 @@ void vnc_display_open(const char *id, Error **errp)
device_id = qemu_opt_get(opts, "display");
if (device_id) {
DeviceState *dev;
int head = qemu_opt_get_number(opts, "head", 0);
Error *err = NULL;
dev = qdev_find_recursive(sysbus_get_default(), device_id);
if (dev == NULL) {
error_setg(errp, "Device '%s' not found", device_id);
goto fail;
}
con = qemu_console_lookup_by_device(dev, head);
if (con == NULL) {
error_setg(errp, "Device %s is not bound to a QemuConsole",
device_id);
con = qemu_console_lookup_by_device_name(device_id, head, &err);
if (err) {
error_propagate(errp, err);
goto fail;
}
} else {