scsi: target: iscsi: Free conn_ops when zalloc_cpumask_var failed

It should not free cpumask but free conn->conn_ops when zalloc_cpumask_var
failed.
Signed-off-by: tangwenji <tang.wenji@zte.com.cn>
Reviewed-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/target/iscsi/iscsi_target_login.c

@@ -1156,13 +1156,13 @@ static struct iscsi_conn *iscsit_alloc_conn(struct iscsi_np *np)
 
 	if (!zalloc_cpumask_var(&conn->conn_cpumask, GFP_KERNEL)) {
 		pr_err("Unable to allocate conn->conn_cpumask\n");
-		goto free_mask;
+		goto free_conn_ops;
 	}
 
 	return conn;
 
-free_mask:
-	free_cpumask_var(conn->conn_cpumask);
+free_conn_ops:
+	kfree(conn->conn_ops);
 put_transport:
 	iscsit_put_transport(conn->conn_transport);
 free_conn: