From 1c5c12c666fda27c7c494b34934a0a0631a48130 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Mon, 5 Nov 2012 18:02:42 -0800 Subject: iscsi-target: Always send a response before terminating iSCSI connection There are some cases, for example when the initiator sends an out-of-bounds ErrorRecoveryLevel value, where the iSCSI target terminates the connection without sending back any error. Audit the login path and add appropriate iscsit_tx_login_rsp() calls to make sure this doesn't happen. Signed-off-by: Roland Dreier Cc: Signed-off-by: Nicholas Bellinger --- drivers/target/iscsi/iscsi_target_nego.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers/target/iscsi/iscsi_target_nego.c') diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index e9053a04f24c..9d902aefe01a 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -620,8 +620,11 @@ static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_log login->req_buf, payload_length, conn); - if (ret < 0) + if (ret < 0) { + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_INITIATOR_ERR, + ISCSI_LOGIN_STATUS_INIT_ERR); return -1; + } if (login->first_request) if (iscsi_target_check_first_request(conn, login) < 0) @@ -636,8 +639,11 @@ static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_log login->rsp_buf, &login->rsp_length, conn->param_list); - if (ret < 0) + if (ret < 0) { + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_INITIATOR_ERR, + ISCSI_LOGIN_STATUS_INIT_ERR); return -1; + } if (!login->auth_complete && ISCSI_TPG_ATTRIB(ISCSI_TPG_C(conn))->authentication) { -- cgit