Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756271AbaF1SDj (ORCPT ); Sat, 28 Jun 2014 14:03:39 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:54416 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756132AbaF1RxB (ORCPT ); Sat, 28 Jun 2014 13:53:01 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sagi Grimberg , Slava Shwartsman , Nicholas Bellinger Subject: [PATCH 3.15 096/139] Target/iscsi: Fix sendtargets response pdu for iser transport Date: Sat, 28 Jun 2014 10:47:37 -0700 Message-Id: <20140628174609.794584605@linuxfoundation.org> X-Mailer: git-send-email 2.0.1 In-Reply-To: <20140628174605.352098823@linuxfoundation.org> References: <20140628174605.352098823@linuxfoundation.org> User-Agent: quilt/0.63-1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sagi Grimberg commit 22c7aaa57e80853b4904a46c18f97db0036a3b97 upstream. In case the transport is iser we should not include the iscsi target info in the sendtargets text response pdu. This causes sendtargets response to include the target info twice. Modify iscsit_build_sendtargets_response to filter transport types that don't match. Signed-off-by: Sagi Grimberg Reported-by: Slava Shwartsman Signed-off-by: Nicholas Bellinger Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/ulp/isert/ib_isert.c | 2 +- drivers/target/iscsi/iscsi_target.c | 14 ++++++++++---- include/target/iscsi/iscsi_transport.h | 3 ++- 3 files changed, 13 insertions(+), 6 deletions(-) --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -2320,7 +2320,7 @@ isert_put_text_rsp(struct iscsi_cmd *cmd int rc; isert_create_send_desc(isert_conn, isert_cmd, &isert_cmd->tx_desc); - rc = iscsit_build_text_rsp(cmd, conn, hdr); + rc = iscsit_build_text_rsp(cmd, conn, hdr, ISCSI_INFINIBAND); if (rc < 0) return rc; --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3390,7 +3390,9 @@ static bool iscsit_check_inaddr_any(stru #define SENDTARGETS_BUF_LIMIT 32768U -static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd) +static int +iscsit_build_sendtargets_response(struct iscsi_cmd *cmd, + enum iscsit_transport_type network_transport) { char *payload = NULL; struct iscsi_conn *conn = cmd->conn; @@ -3467,6 +3469,9 @@ static int iscsit_build_sendtargets_resp struct iscsi_np *np = tpg_np->tpg_np; bool inaddr_any = iscsit_check_inaddr_any(np); + if (np->np_network_transport != network_transport) + continue; + if (!target_name_printed) { len = sprintf(buf, "TargetName=%s", tiqn->tiqn); @@ -3520,11 +3525,12 @@ eob: int iscsit_build_text_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn, - struct iscsi_text_rsp *hdr) + struct iscsi_text_rsp *hdr, + enum iscsit_transport_type network_transport) { int text_length, padding; - text_length = iscsit_build_sendtargets_response(cmd); + text_length = iscsit_build_sendtargets_response(cmd, network_transport); if (text_length < 0) return text_length; @@ -3562,7 +3568,7 @@ static int iscsit_send_text_rsp( u32 tx_size = 0; int text_length, iov_count = 0, rc; - rc = iscsit_build_text_rsp(cmd, conn, hdr); + rc = iscsit_build_text_rsp(cmd, conn, hdr, ISCSI_TCP); if (rc < 0) return rc; --- a/include/target/iscsi/iscsi_transport.h +++ b/include/target/iscsi/iscsi_transport.h @@ -70,7 +70,8 @@ extern void iscsit_build_nopin_rsp(struc extern void iscsit_build_task_mgt_rsp(struct iscsi_cmd *, struct iscsi_conn *, struct iscsi_tm_rsp *); extern int iscsit_build_text_rsp(struct iscsi_cmd *, struct iscsi_conn *, - struct iscsi_text_rsp *); + struct iscsi_text_rsp *, + enum iscsit_transport_type); extern void iscsit_build_reject(struct iscsi_cmd *, struct iscsi_conn *, struct iscsi_reject *); extern int iscsit_build_logout_rsp(struct iscsi_cmd *, struct iscsi_conn *, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/