diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 7126a495d7a6..70013e1830a0 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -119,7 +119,7 @@ static int flow_limit_cpu_sysctl(struct ctl_table *table, int write,
 		return -ENOMEM;
 
 	if (write) {
-		ret = cpumask_parse_user(buffer, *lenp, mask);
+		ret = cpumask_parse(buffer, mask);
 		if (ret)
 			goto done;