device: fix scaling governor tuning typo

[chef.git] / cookbooks / hardware / attributes / default.rb

diff --git a/cookbooks/hardware/attributes/default.rb b/cookbooks/hardware/attributes/default.rb
index bc7d773cba30179493552b03744203a2ba30257c..fdf843d63bca4ace317d6f36b3d6fc1616d6b0e6 100644 (file)
--- a/cookbooks/hardware/attributes/default.rb
+++ b/cookbooks/hardware/attributes/default.rb
@@ -38,7 +38,8 @@ elsif node[:kernel][:modules].include?("i6300esb")
   default[:hardware][:watchdog] = "none"
 end
 
-if File.read("/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor").chomp == "ondemand"
+if File.exist?("/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor") &&
+   File.read("/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor").chomp == "ondemand"
   default[:sysfs][:cpufreq_ondemand][:comment] = "Tune the ondemand CPU frequency governor"
   default[:sysfs][:cpufreq_ondemand][:parameters][:"devices/system/cpu/cpufreq/ondemand/up_threshold"] = "25"
   default[:sysfs][:cpufreq_ondemand][:parameters][:"devices/system/cpu/cpufreq/ondemand/sampling_down_factor"] = "100"