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qemu-dbus: prevent double start of the bus daemon

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Allow calling qemuDBusStart() multiple times (as may be done by
qemu-slirp already).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Marc-André Lureau 2020-04-08 19:23:48 +02:00 committed by Michal Privoznik
parent 8cb44c01a8
commit a86094d694
1 changed files with 3 additions and 0 deletions
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3
src/qemu/qemu_dbus.c
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@ -177,6 +177,9 @@ qemuDBusStart(virQEMUDriverPtr driver,
pid_t cpid = -1;
int ret = -1;
if (priv->dbusDaemonRunning)
return 0;
if (!virFileIsExecutable(cfg->dbusDaemonName)) {
virReportSystemError(errno,
_("'%s' is not a suitable dbus-daemon"),