
7 Oct
2016
7 Oct
'16
12:35 p.m.
If the event is already disabled, then don't bother with setting it disabled again. Causes unnecessary error on systems that don't support the feature anyway. Signed-off-by: John Ferlan <jferlan@redhat.com> --- src/util/virperf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/util/virperf.c b/src/util/virperf.c index 6387430..5d57962 100644 --- a/src/util/virperf.c +++ b/src/util/virperf.c @@ -234,6 +234,9 @@ virPerfEventDisable(virPerfPtr perf, if (event == NULL) return -1; + if (!event->enabled) + return 0; + if (ioctl(event->fd, PERF_EVENT_IOC_DISABLE) < 0) { virReportSystemError(errno, _("unable to disable host cpu perf event for %s"), -- 2.7.4