diff options
35 files changed, 1675 insertions, 2390 deletions
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 5f6b7f63cde..7a0ce8d4288 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -1377,10 +1377,14 @@ static int srpt_abort_cmd(struct srpt_send_ioctx *ioctx) break; case SRPT_STATE_NEED_DATA: /* DMA_TO_DEVICE (write) - RDMA read error. */ + + /* XXX(hch): this is a horrible layering violation.. */ spin_lock_irqsave(&ioctx->cmd.t_state_lock, flags); ioctx->cmd.transport_state |= CMD_T_LUN_STOP; + ioctx->cmd.transport_state &= ~CMD_T_ACTIVE; spin_unlock_irqrestore(&ioctx->cmd.t_state_lock, flags); - transport_generic_handle_data(&ioctx->cmd); + + complete(&ioctx->cmd.transport_lun_stop_comp); break; case SRPT_STATE_CMD_RSP_SENT: /* @@ -1463,9 +1467,10 @@ static void srpt_handle_send_comp(struct srpt_rdma_ch *ch, /** * srpt_handle_rdma_comp() - Process an IB RDMA completion notification. * - * Note: transport_generic_handle_data() is asynchronous so unmapping the - * data that has been transferred via IB RDMA must be postponed until the - * check_stop_free() callback. + * XXX: what is now target_execute_cmd used to be asynchronous, and unmapping + * the data that has been transferred via IB RDMA had to be postponed until the + * check_stop_free() callback. None of this is nessecary anymore and needs to + * be cleaned up. */ static void srpt_handle_rdma_comp(struct srpt_rdma_ch *ch, struct srpt_send_ioctx *ioctx, @@ -1477,7 +1482,7 @@ static void srpt_handle_rdma_comp(struct srpt_rdma_ch *ch, if (opcode == SRPT_RDMA_READ_LAST) { if (srpt_test_and_set_cmd_state(ioctx, SRPT_STATE_NEED_DATA, SRPT_STATE_DATA_IN)) - transport_generic_handle_data(&ioctx->cmd); + target_execute_cmd(&ioctx->cmd); else printk(KERN_ERR "%s[%d]: wrong state = %d\n", __func__, __LINE__, srpt_get_cmd_state(ioctx)); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 77759c78cc2..5b30132960c 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -2643,19 +2643,9 @@ static void qlt_do_work(struct work_struct *work) spin_lock_irqsave(&ha->hardware_lock, flags); sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha, atio->u.isp24.fcp_hdr.s_id); - if (sess) { - if (unlikely(sess->tearing_down)) { - sess = NULL; - spin_unlock_irqrestore(&ha->hardware_lock, flags); - goto out_term; - } else { - /* - * Do the extra kref_get() before dropping - * qla_hw_data->hardware_lock. - */ - kref_get(&sess->se_sess->sess_kref); - } - } + /* Do kref_get() before dropping qla_hw_data->hardware_lock. */ + if (sess) + kref_get(&sess->se_sess->sess_kref); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (unlikely(!sess)) { diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 9f9ef1644fd..170af157121 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -639,7 +639,7 @@ struct qla_tgt_func_tmpl { int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *, unsigned char *, uint32_t, int, int, int); - int (*handle_data)(struct qla_tgt_cmd *); + void (*handle_data)(struct qla_tgt_cmd *); int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint8_t, uint32_t); void (*free_cmd)(struct qla_tgt_cmd *); @@ -813,7 +813,6 @@ struct qla_tgt_sess { unsigned int conf_compl_supported:1; unsigned int deleted:1; unsigned int local:1; - unsigned int tearing_down:1; struct se_session *se_sess; struct scsi_qla_host *vha; diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 6e64314dbbb..4752f65a927 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -38,8 +38,6 @@ #include <linux/string.h> #include <linux/configfs.h> #include <linux/ctype.h> -#include <linux/string.h> -#include <linux/ctype.h> #include <asm/unaligned.h> #include <scsi/scsi.h> #include <scsi/scsi_host.h> @@ -466,8 +464,7 @@ static int tcm_qla2xxx_shutdown_session(struct se_session *se_sess) vha = sess->vha; spin_lock_irqsave(&vha->hw->hardware_lock, flags); - sess->tearing_down = 1; - target_splice_sess_cmd_list(se_sess); + target_sess_cmd_list_set_waiting(se_sess); spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); return 1; @@ -600,28 +597,15 @@ static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd, return -EINVAL; } - target_submit_cmd(se_cmd, se_sess, cdb, &cmd->sense_buffer[0], + return target_submit_cmd(se_cmd, se_sess, cdb, &cmd->sense_buffer[0], cmd->unpacked_lun, data_length, fcp_task_attr, data_dir, flags); - return 0; } -static void tcm_qla2xxx_do_rsp(struct work_struct *work) +static void tcm_qla2xxx_handle_data_work(struct work_struct *work) { struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work); - /* - * Dispatch ->queue_status from workqueue process context - */ - transport_generic_request_failure(&cmd->se_cmd); -} -/* - * Called from qla_target.c:qlt_do_ctio_completion() - */ -static int tcm_qla2xxx_handle_data(struct qla_tgt_cmd *cmd) -{ - struct se_cmd *se_cmd = &cmd->se_cmd; - unsigned long flags; /* * Ensure that the complete FCP WRITE payload has been received. * Otherwise return an exception via CHECK_CONDITION status. @@ -631,24 +615,26 @@ static int tcm_qla2xxx_handle_data(struct qla_tgt_cmd *cmd) * Check if se_cmd has already been aborted via LUN_RESET, and * waiting upon completion in tcm_qla2xxx_write_pending_status() */ - spin_lock_irqsave(&se_cmd->t_state_lock, flags); - if (se_cmd->transport_state & CMD_T_ABORTED) { - spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); - complete(&se_cmd->t_transport_stop_comp); - return 0; + if (cmd->se_cmd.transport_state & CMD_T_ABORTED) { + complete(&cmd->se_cmd.t_transport_stop_comp); + return; } - spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); - se_cmd->scsi_sense_reason = TCM_CHECK_CONDITION_ABORT_CMD; - INIT_WORK(&cmd->work, tcm_qla2xxx_do_rsp); - queue_work(tcm_qla2xxx_free_wq, &cmd->work); - return 0; + cmd->se_cmd.scsi_sense_reason = TCM_CHECK_CONDITION_ABORT_CMD; + transport_generic_request_failure(&cmd->se_cmd); + return; } - /* - * We now tell TCM to queue this WRITE CDB with TRANSPORT_PROCESS_WRITE - * status to the backstore processing thread. - */ - return transport_generic_handle_data(&cmd->se_cmd); + + return target_execute_cmd(&cmd->se_cmd); +} + +/* + * Called from qla_target.c:qlt_do_ctio_completion() + */ +static void tcm_qla2xxx_handle_data(struct qla_tgt_cmd *cmd) +{ + INIT_WORK(&cmd->work, tcm_qla2xxx_handle_data_work); + queue_work(tcm_qla2xxx_free_wq, &cmd->work); } /* @@ -1690,7 +1676,6 @@ static struct target_core_fabric_ops tcm_qla2xxx_ops = { .tpg_alloc_fabric_acl = tcm_qla2xxx_alloc_fabric_acl, .tpg_release_fabric_acl = tcm_qla2xxx_release_fabric_acl, .tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index, - .new_cmd_map = NULL, .check_stop_free = tcm_qla2xxx_check_stop_free, .release_cmd = tcm_qla2xxx_release_cmd, .put_session = tcm_qla2xxx_put_session, diff --git a/drivers/target/Makefile b/drivers/target/Makefile index 61648d84fbb..9fdcb561422 100644 --- a/drivers/target/Makefile +++ b/drivers/target/Makefile @@ -9,7 +9,8 @@ target_core_mod-y := target_core_configfs.o \ target_core_tmr.o \ target_core_tpg.o \ target_core_transport.o \ - target_core_cdb.o \ + target_core_sbc.o \ + target_core_spc.o \ target_core_ua.o \ target_core_rd.o \ target_core_stat.o diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index d57d10cb2e4..97c0f78c3c9 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -429,19 +429,8 @@ int iscsit_reset_np_thread( int iscsit_del_np_comm(struct iscsi_np *np) { - if (!np->np_socket) - return 0; - - /* - * Some network transports allocate their own struct sock->file, - * see if we need to free any additional allocated resources. - */ - if (np->np_flags & NPF_SCTP_STRUCT_FILE) { - kfree(np->np_socket->file); - np->np_socket->file = NULL; - } - - sock_release(np->np_socket); + if (np->np_socket) + sock_release(np->np_socket); return 0; } @@ -1413,8 +1402,10 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf) spin_unlock_bh(&cmd->istate_lock); iscsit_stop_dataout_timer(cmd); - return (!ooo_cmdsn) ? transport_generic_handle_data( - &cmd->se_cmd) : 0; + if (ooo_cmdsn) + return 0; + target_execute_cmd(&cmd->se_cmd); + return 0; } else /* DATAOUT_CANNOT_RECOVER */ return -1; @@ -2683,7 +2674,7 @@ static int iscsit_send_logout_response( */ logout_conn = iscsit_get_conn_from_cid_rcfr(sess, cmd->logout_cid); - if ((logout_conn)) { + if (logout_conn) { iscsit_connection_reinstatement_rcfr(logout_conn); iscsit_dec_conn_usage_count(logout_conn); } @@ -4077,13 +4068,8 @@ int iscsit_close_connection( kfree(conn->conn_ops); conn->conn_ops = NULL; - if (conn->sock) { - if (conn->conn_flags & CONNFLAG_SCTP_STRUCT_FILE) { - kfree(conn->sock->file); - conn->sock->file = NULL; - } + if (conn->sock) sock_release(conn->sock); - } conn->thread_set = NULL; pr_debug("Moving to TARG_CONN_STATE_FREE.\n"); diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index 69dc8e35c03..a7b25e783b5 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -47,28 +47,6 @@ struct lio_target_configfs_attribute { ssize_t (*store)(void *, const char *, size_t); }; -struct iscsi_portal_group *lio_get_tpg_from_tpg_item( - struct config_item *item, - struct iscsi_tiqn **tiqn_out) -{ - struct se_portal_group *se_tpg = container_of(to_config_group(item), - struct se_portal_group, tpg_group); - struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; - int ret; - - if (!tpg) { - pr_err("Unable to locate struct iscsi_portal_group " - "pointer\n"); - return NULL; - } - ret = iscsit_get_tpg(tpg); - if (ret < 0) - return NULL; - - *tiqn_out = tpg->tpg_tiqn; - return tpg; -} - /* Start items for lio_target_portal_cit */ static ssize_t lio_target_np_show_sctp( diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index 1c70144cdaf..8a908b28d8b 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -224,7 +224,6 @@ enum iscsi_timer_flags_table { /* Used for struct iscsi_np->np_flags */ enum np_flags_table { NPF_IP_NETWORK = 0x00, - NPF_SCTP_STRUCT_FILE = 0x01 /* Bugfix */ }; /* Used for struct iscsi_np->np_thread_state */ @@ -481,6 +480,7 @@ struct iscsi_tmr_req { bool task_reassign:1; u32 ref_cmd_sn; u32 exp_data_sn; + struct iscsi_cmd *ref_cmd; struct iscsi_conn_recovery *conn_recovery; struct se_tmr_req *se_tmr_req; }; @@ -503,7 +503,6 @@ struct iscsi_conn { u16 local_port; int net_size; u32 auth_id; -#define CONNFLAG_SCTP_STRUCT_FILE 0x01 u32 conn_flags; /* Used for iscsi_tx_login_rsp() */ u32 login_itt; diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c index ecdd46deedd..3df8a2cef86 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.c +++ b/drivers/target/iscsi/iscsi_target_erl1.c @@ -965,8 +965,8 @@ int iscsit_execute_cmd(struct iscsi_cmd *cmd, int ooo) if (cmd->immediate_data) { if (cmd->cmd_flags & ICF_GOT_LAST_DATAOUT) { spin_unlock_bh(&cmd->istate_lock); - return transport_generic_handle_data( - &cmd->se_cmd); + target_execute_cmd(&cmd->se_cmd); + return 0; } spin_unlock_bh(&cmd->istate_lock); diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index a3656c9903a..0694d9b1bce 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -518,7 +518,7 @@ int iscsi_login_post_auth_non_zero_tsih( * initiator and release the new connection. */ conn_ptr = iscsit_get_conn_from_cid_rcfr(sess, cid); - if ((conn_ptr)) { + if (conn_ptr) { pr_err("Connection exists with CID %hu for %s," " performing connection reinstatement.\n", conn_ptr->cid, sess->sess_ops->InitiatorName); @@ -539,7 +539,7 @@ int iscsi_login_post_auth_non_zero_tsih( if (sess->sess_ops->ErrorRecoveryLevel == 2) { cr = iscsit_get_inactive_connection_recovery_entry( sess, cid); - if ((cr)) { + if (cr) { pr_debug("Performing implicit logout" " for connection recovery on CID: %hu\n", conn->cid); @@ -795,22 +795,6 @@ int iscsi_target_setup_login_socket( } np->np_socket = sock; /* - * The SCTP stack needs struct socket->file. - */ - if ((np->np_network_transport == ISCSI_SCTP_TCP) || - (np->np_network_transport == ISCSI_SCTP_UDP)) { - if (!sock->file) { - sock->file = kzalloc(sizeof(struct file), GFP_KERNEL); - if (!sock->file) { - pr_err("Unable to allocate struct" - " file for SCTP\n"); - ret = -ENOMEM; - goto fail; - } - np->np_flags |= NPF_SCTP_STRUCT_FILE; - } - } - /* * Setup the np->np_sockaddr from the passed sockaddr setup * in iscsi_target_configfs.c code.. */ @@ -869,21 +853,15 @@ int iscsi_target_setup_login_socket( fail: np->np_socket = NULL; - if (sock) { - if (np->np_flags & NPF_SCTP_STRUCT_FILE) { - kfree(sock->file); - sock->file = NULL; - } - + if (sock) sock_release(sock); - } return ret; } static int __iscsi_target_login_thread(struct iscsi_np *np) { u8 buffer[ISCSI_HDR_LEN], iscsi_opcode, zero_tsih = 0; - int err, ret = 0, set_sctp_conn_flag, stop; + int err, ret = 0, stop; struct iscsi_conn *conn = NULL; struct iscsi_login *login; struct iscsi_portal_group *tpg = NULL; @@ -894,7 +872,6 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) struct sockaddr_in6 sock_in6; flush_signals(current); - set_sctp_conn_flag = 0; sock = np->np_socket; spin_lock_bh(&np->np_thread_lock); @@ -917,35 +894,12 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) spin_unlock_bh(&np->np_thread_lock); goto out; } - /* - * The SCTP stack needs struct socket->file. - */ - if ((np->np_network_transport == ISCSI_SCTP_TCP) || - (np->np_network_transport == ISCSI_SCTP_UDP)) { - if (!new_sock->file) { - new_sock->file = kzalloc( - sizeof(struct file), GFP_KERNEL); - if (!new_sock->file) { - pr_err("Unable to allocate struct" - " file for SCTP\n"); - sock_release(new_sock); - /* Get another socket */ - return 1; - } - set_sctp_conn_flag = 1; - } - } - iscsi_start_login_thread_timer(np); conn = kzalloc(sizeof(struct iscsi_conn), GFP_KERNEL); if (!conn) { pr_err("Could not allocate memory for" " new connection\n"); - if (set_sctp_conn_flag) { - kfree(new_sock->file); - new_sock->file = NULL; - } sock_release(new_sock); /* Get another socket */ return 1; @@ -955,9 +909,6 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) conn->conn_state = TARG_CONN_STATE_FREE; conn->sock = new_sock; - if (set_sctp_conn_flag) - conn->conn_flags |= CONNFLAG_SCTP_STRUCT_FILE; - pr_debug("Moving to TARG_CONN_STATE_XPT_UP.\n"); conn->conn_state = TARG_CONN_STATE_XPT_UP; @@ -1081,7 +1032,7 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) goto new_sess_out; zero_tsih = (pdu->tsih == 0x0000); - if ((zero_tsih)) { + if (zero_tsih) { /* * This is the leading connection of a new session. * We wait until after authentication to check for @@ -1205,13 +1156,8 @@ old_sess_out: iscsi_release_param_list(conn->param_list); conn->param_list = NULL; } - if (conn->sock) { - if (conn->conn_flags & CONNFLAG_SCTP_STRUCT_FILE) { - kfree(conn->sock->file); - conn->sock->file = NULL; - } + if (conn->sock) sock_release(conn->sock); - } kfree(conn); if (tpg) { diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index ed5241e7f12..0c4760fabfc 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -681,7 +681,7 @@ int iscsi_update_param_value(struct iscsi_param *param, char *value) param->value = kzalloc(strlen(value) + 1, GFP_KERNEL); if (!param->value) { pr_err("Unable to allocate memory for value.\n"); - return -1; + return -ENOMEM; } memcpy(param->value, value, strlen(value)); diff --git a/drivers/target/iscsi/iscsi_target_tmr.c b/drivers/target/iscsi/iscsi_target_tmr.c index f4e640b51fd..f62fe123d90 100644 --- a/drivers/target/iscsi/iscsi_target_tmr.c +++ b/drivers/target/iscsi/iscsi_target_tmr.c @@ -19,6 +19,7 @@ ******************************************************************************/ #include <asm/unaligned.h> +#include <scsi/scsi_device.h> #include <scsi/iscsi_proto.h> #include <target/target_core_base.h> #include <target/target_core_fabric.h> @@ -61,7 +62,7 @@ u8 iscsit_tmr_abort_task( } se_tmr->ref_task_tag = hdr->rtt; - se_tmr->ref_cmd = &ref_cmd->se_cmd; + tmr_req->ref_cmd = ref_cmd; tmr_req->ref_cmd_sn = hdr->refcmdsn; tmr_req->exp_data_sn = hdr->exp_datasn; @@ -121,7 +122,7 @@ u8 iscsit_tmr_task_reassign( struct iscsi_tmr_req *tmr_req = cmd->tmr_req; struct se_tmr_req *se_tmr = cmd->se_cmd.se_tmr_req; struct iscsi_tm *hdr = (struct iscsi_tm *) buf; - int ret; + int ret, ref_lun; pr_debug("Got TASK_REASSIGN TMR ITT: 0x%08x," " RefTaskTag: 0x%08x, ExpDataSN: 0x%08x, CID: %hu\n", @@ -155,9 +156,16 @@ u8 iscsit_tmr_task_reassign( return ISCSI_TMF_RSP_REJECTED; } + ref_lun = scsilun_to_int(&hdr->lun); + if (ref_lun != ref_cmd->se_cmd.orig_fe_lun) { + pr_err("Unable to perform connection recovery for" + " differing ref_lun: %d ref_cmd orig_fe_lun: %u\n", + ref_lun, ref_cmd->se_cmd.orig_fe_lun); + return ISCSI_TMF_RSP_REJECTED; + } + se_tmr->ref_task_tag = hdr->rtt; - se_tmr->ref_cmd = &ref_cmd->se_cmd; - se_tmr->ref_task_lun = get_unaligned_le64(&hdr->lun); + tmr_req->ref_cmd = ref_cmd; tmr_req->ref_cmd_sn = hdr->refcmdsn; tmr_req->exp_data_sn = hdr->exp_datasn; tmr_req->conn_recovery = cr; @@ -191,9 +199,7 @@ static int iscsit_task_reassign_complete_nop_out( struct iscsi_tmr_req *tmr_req, struct iscsi_conn *conn) { - struct se_tmr_req *se_tmr = tmr_req->se_tmr_req; - struct se_cmd *se_cmd = se_tmr->ref_cmd; - struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_cmd *cmd = tmr_req->ref_cmd; struct iscsi_conn_recovery *cr; if (!cmd->cr) { @@ -251,7 +257,8 @@ static int iscsit_task_reassign_complete_write( pr_debug("WRITE ITT: 0x%08x: t_state: %d" " never sent to transport\n", cmd->init_task_tag, cmd->se_cmd.t_state); - return transport_generic_handle_data(se_cmd); + target_execute_cmd(se_cmd); + return 0; } cmd->i_state = ISTATE_SEND_STATUS; @@ -360,9 +367,7 @@ static int iscsit_task_reassign_complete_scsi_cmnd( struct iscsi_tmr_req *tmr_req, struct iscsi_conn *conn) { - struct se_tmr_req *se_tmr = tmr_req->se_tmr_req; - struct se_cmd *se_cmd = se_tmr->ref_cmd; - struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_cmd *cmd = tmr_req->ref_cmd; struct iscsi_conn_recovery *cr; if (!cmd->cr) { @@ -385,7 +390,7 @@ static int iscsit_task_reassign_complete_scsi_cmnd( list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list); spin_unlock_bh(&conn->cmd_lock); - if (se_cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) { + if (cmd->se_cmd.se_cmd_flags & SCF_SENT_CHECK_CONDITION) { cmd->i_state = ISTATE_SEND_STATUS; iscsit_add_cmd_to_response_queue(cmd, conn, cmd->i_state); return 0; @@ -411,17 +416,14 @@ static int iscsit_task_reassign_complete( struct iscsi_tmr_req *tmr_req, struct iscsi_conn *conn) { - struct se_tmr_req *se_tmr = tmr_req->se_tmr_req; - struct se_cmd *se_cmd; struct iscsi_cmd *cmd; int ret = 0; - if (!se_tmr->ref_cmd) { + if (!tmr_req->ref_cmd) { pr_err("TMR Request is missing a RefCmd struct iscsi_cmd.\n"); return -1; } - se_cmd = se_tmr->ref_cmd; - cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + cmd = tmr_req->ref_cmd; cmd->conn = conn; @@ -547,9 +549,7 @@ int iscsit_task_reassign_prepare_write( struct iscsi_tmr_req *tmr_req, struct iscsi_conn *conn) { - struct se_tmr_req *se_tmr = tmr_req->se_tmr_req; - struct se_cmd *se_cmd = se_tmr->ref_cmd; - struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_cmd *cmd = tmr_req->ref_cmd; struct iscsi_pdu *pdu = NULL; struct iscsi_r2t *r2t = NULL, *r2t_tmp; int first_incomplete_r2t = 1, i = 0; @@ -782,14 +782,12 @@ int iscsit_check_task_reassign_expdatasn( struct iscsi_tmr_req *tmr_req, struct iscsi_conn *conn) { - struct se_tmr_req *se_tmr = tmr_req->se_tmr_req; - struct se_cmd *se_cmd = se_tmr->ref_cmd; - struct iscsi_cmd *ref_cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_cmd *ref_cmd = tmr_req->ref_cmd; if (ref_cmd->iscsi_opcode != ISCSI_OP_SCSI_CMD) return 0; - if (se_cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) + if (ref_cmd->se_cmd.se_cmd_flags & SCF_SENT_CHECK_CONDITION) return 0; if (ref_cmd->data_direction == DMA_NONE) diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c index 879d8d0fa3f..a38a3f8ab0d 100644 --- a/drivers/target/iscsi/iscsi_target_tpg.c +++ b/drivers/target/iscsi/iscsi_target_tpg.c @@ -303,6 +303,7 @@ int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *tpg) { struct iscsi_param *param; struct iscsi_tiqn *tiqn = tpg->tpg_tiqn; + int ret; spin_lock(&tpg->tpg_state_lock); if (tpg->tpg_state == TPG_STATE_ACTIVE) { @@ -319,19 +320,19 @@ int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *tpg) param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list); if (!param) { spin_unlock(&tpg->tpg_state_lock); - return -ENOMEM; + return -EINVAL; } if (ISCSI_TPG_ATTRIB(tpg)->authentication) { - if (!strcmp(param->value, NONE)) - if (iscsi_update_param_value(param, CHAP) < 0) { - spin_unlock(&tpg->tpg_state_lock); - return -ENOMEM; - } - if (iscsit_ta_authentication(tpg, 1) < 0) { - spin_unlock(&tpg->tpg_state_lock); - return -ENOMEM; + if (!strcmp(param->value, NONE)) { + ret = iscsi_update_param_value(param, CHAP); + if (ret) + goto err; } + + ret = iscsit_ta_authentication(tpg, 1); + if (ret < 0) + goto err; } tpg->tpg_state = TPG_STATE_ACTIVE; @@ -344,6 +345,10 @@ int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *tpg) spin_unlock(&tiqn->tiqn_tpg_lock); return 0; + +err: + spin_unlock(&tpg->tpg_state_lock); + return ret; } int iscsit_tpg_disable_portal_group(struct iscsi_portal_group *tpg, int force) @@ -558,7 +563,7 @@ int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication) if ((authentication != 1) && (authentication != 0)) { pr_err("Illegal value for authentication parameter:" " %u, ignoring request.\n", authentication); - return -1; + return -EINVAL; } memset(buf1, 0, sizeof(buf1)); @@ -593,7 +598,7 @@ int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication) } else { snprintf(buf1, sizeof(buf1), "%s", param->value); none = strstr(buf1, NONE); - if ((none)) + if (none) goto out; strncat(buf1, ",", strlen(",")); strncat(buf1, NONE, strlen(NONE)); diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index 38dfac2b0a1..5491c632a15 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -211,12 +211,11 @@ static void tcm_loop_submission_work(struct work_struct *work) /* * Because some userspace code via scsi-generic do not memset their * associated read buffers, go ahead and do that here for type - * SCF_SCSI_CONTROL_SG_IO_CDB. Also note that this is currently - * guaranteed to be a single SGL for SCF_SCSI_CONTROL_SG_IO_CDB - * by target core in target_setup_cmd_from_cdb() -> - * transport_generic_cmd_sequencer(). + * non-data CDBs. Also note that this is currently guaranteed to be a + * single SGL for this case by target core in + * target_setup_cmd_from_cdb() -> transport_generic_cmd_sequencer(). */ - if (se_cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB && + if (!(se_cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) && se_cmd->data_direction == DMA_FROM_DEVICE) { struct scatterlist *sg = scsi_sglist(sc); unsigned char *buf = |