diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index 78c49d8..c522a95 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -229,7 +229,7 @@
 	if (of_property_read_u32(np, "clock-latency", &transition_latency))
 		transition_latency = CPUFREQ_ETERNAL;
 
-	if (cpu_reg) {
+	if (!IS_ERR(cpu_reg)) {
 		struct opp *opp;
 		unsigned long min_uV, max_uV;
 		int i;