cpupower: Do not show an empty Idle_Stats monitor if no idle driver is available

By taking error values of:
sysfs_get_idlestate_count(..);
into account.

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Thomas Renninger 2011-08-12 01:11:36 +02:00 committed by Dominik Brodowski
parent 2dfc818b35
commit 88f984e0e2

View file

@ -134,7 +134,7 @@ static struct cpuidle_monitor *cpuidle_register(void)
/* Assume idle state count is the same for all CPUs */
cpuidle_sysfs_monitor.hw_states_num = sysfs_get_idlestate_count(0);
if (cpuidle_sysfs_monitor.hw_states_num == 0)
if (cpuidle_sysfs_monitor.hw_states_num <= 0)
return NULL;
for (num = 0; num < cpuidle_sysfs_monitor.hw_states_num; num++) {