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cpufreq: cpufreq_interactive: avoid NULL point access
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
cpufreq
/
cpufreq_interactive.c
diff --git
a/drivers/cpufreq/cpufreq_interactive.c
b/drivers/cpufreq/cpufreq_interactive.c
index d9927f92ea8b2933ca7cbe35a4ef69011376265d..055e990a2f1db035cbbff273fccefe8c0dfd13c8 100644
(file)
--- a/
drivers/cpufreq/cpufreq_interactive.c
+++ b/
drivers/cpufreq/cpufreq_interactive.c
@@
-1171,6
+1171,9
@@
static void cpufreq_interactive_input_event(struct input_handle *handle,
now = ktime_to_us(ktime_get());
for_each_online_cpu(i) {
pcpu = &per_cpu(cpuinfo, i);
+ if (!pcpu->policy)
+ continue;
+
if (have_governor_per_policy())
tunables = pcpu->policy->governor_data;
else