diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 3ab8abca29c3..c24fb10de60b 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3468,7 +3468,12 @@ static inline void iscsit_thread_check_cpumask(
 }
 
 #else
-#define iscsit_thread_get_cpumask(X) ({})
+
+void iscsit_thread_get_cpumask(struct iscsi_conn *conn)
+{
+	return;
+}
+
 #define iscsit_thread_check_cpumask(X, Y, Z) ({})
 #endif /* CONFIG_SMP */