diff --git a/drivers/power/qcom/msm-core.c b/drivers/power/qcom/msm-core.c
index 49ed2eb3e40f..e990425bd63a 100644
--- a/drivers/power/qcom/msm-core.c
+++ b/drivers/power/qcom/msm-core.c
@@ -428,8 +428,8 @@ static int update_userspace_power(struct sched_params __user *argp)
 	/* Copy the same power values for all the cpus in the cpumask
 	 * argp->cpumask within the cluster (argp->cluster)
 	 */
-	spin_lock(&update_lock);
 	get_user(cpumask, &argp->cpumask);
+	spin_lock(&update_lock);
 	for (i = 0; i < MAX_CORES_PER_CLUSTER; i++, cpumask >>= 1) {
 		if (!(cpumask & 0x01))
 			continue;