[SCSI] libiscsi_tcp: fix max_r2t manipulation

[deliverable/linux.git] / drivers / scsi / iscsi_tcp.c

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index db47158e0dde9d5aee28235930ebbb8e26ea76d4..453a740fa68ec80bce8a781b2366792f63cc70c5 100644 (file)
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -684,10 +684,8 @@ static int iscsi_sw_tcp_conn_set_param(struct iscsi_cls_conn *cls_conn,
                                       int buflen)
 {
        struct iscsi_conn *conn = cls_conn->dd_data;
-       struct iscsi_session *session = conn->session;
        struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
        struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data;
-       int value;
 
        switch(param) {
        case ISCSI_PARAM_HDRDGST_EN:
@@ -699,16 +697,7 @@ static int iscsi_sw_tcp_conn_set_param(struct iscsi_cls_conn *cls_conn,
                        sock_no_sendpage : tcp_sw_conn->sock->ops->sendpage;
                break;
        case ISCSI_PARAM_MAX_R2T:
-               sscanf(buf, "%d", &value);
-               if (value <= 0 || !is_power_of_2(value))
-                       return -EINVAL;
-               if (session->max_r2t == value)
-                       break;
-               iscsi_tcp_r2tpool_free(session);
-               iscsi_set_param(cls_conn, param, buf, buflen);
-               if (iscsi_tcp_r2tpool_alloc(session))
-                       return -ENOMEM;
-               break;
+               return iscsi_tcp_set_max_r2t(conn, buf);
        default:
                return iscsi_set_param(cls_conn, param, buf, buflen);
        }