From c4631191c44de9567ac5376e6a7f4a244c2283bc Mon Sep 17 00:00:00 2001 From: Giridhar Malavali Date: Fri, 18 Nov 2011 09:03:08 -0800 Subject: [PATCH] [SCSI] qla2xxx: Proper cleanup of pass through commands when firmware returns error. [jejb: fixed up checkpatch and casting errors] Signed-off-by: Giridhar Malavali Signed-off-by: Chad Dupuis Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_isr.c | 73 ++++++++++++++++++++++++---------- drivers/scsi/qla2xxx/qla_os.c | 19 +++++---- 2 files changed, 61 insertions(+), 31 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index b6023e9636ea..6426c7ed9ccc 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1895,6 +1895,45 @@ qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) } } +static int +qla2x00_free_sp_ctx(scsi_qla_host_t *vha, srb_t *sp) +{ + struct qla_hw_data *ha = vha->hw; + struct srb_ctx *ctx; + + if (!sp->ctx) + return 1; + + ctx = sp->ctx; + + if (ctx->type == SRB_LOGIN_CMD || + ctx->type == SRB_LOGOUT_CMD || + ctx->type == SRB_TM_CMD) { + ctx->u.iocb_cmd->done(sp); + return 0; + } else if (ctx->type == SRB_ADISC_CMD) { + ctx->u.iocb_cmd->free(sp); + return 0; + } else { + struct fc_bsg_job *bsg_job; + + bsg_job = ctx->u.bsg_job; + if (ctx->type == SRB_ELS_CMD_HST || + ctx->type == SRB_CT_CMD) + kfree(sp->fcport); + + bsg_job->reply->reply_data.ctels_reply.status = + FC_CTELS_STATUS_OK; + bsg_job->reply->result = DID_ERROR << 16; + bsg_job->reply->reply_payload_rcv_len = 0; + kfree(sp->ctx); + mempool_free(sp, ha->srb_mempool); + bsg_job->job_done(bsg_job); + return 0; + } + return 1; +} + /** * qla2x00_error_entry() - Process an error entry. * @ha: SCSI driver HA context @@ -1905,7 +1944,7 @@ qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) { srb_t *sp; struct qla_hw_data *ha = vha->hw; - uint32_t handle = LSW(pkt->handle); + const char func[] = "ERROR-IOCB"; uint16_t que = MSW(pkt->handle); struct req_que *req = ha->req_q_map[que]; @@ -1928,28 +1967,20 @@ qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) ql_dbg(ql_dbg_async, vha, 0x502f, "UNKNOWN flag error.\n"); - /* Validate handle. */ - if (handle < MAX_OUTSTANDING_COMMANDS) - sp = req->outstanding_cmds[handle]; - else - sp = NULL; - + sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (sp) { - /* Free outstanding command slot. */ - req->outstanding_cmds[handle] = NULL; - - /* Bad payload or header */ - if (pkt->entry_status & - (RF_INV_E_ORDER | RF_INV_E_COUNT | - RF_INV_E_PARAM | RF_INV_E_TYPE)) { - sp->cmd->result = DID_ERROR << 16; - } else if (pkt->entry_status & RF_BUSY) { - sp->cmd->result = DID_BUS_BUSY << 16; - } else { - sp->cmd->result = DID_ERROR << 16; + if (qla2x00_free_sp_ctx(vha, sp)) { + if (pkt->entry_status & + (RF_INV_E_ORDER | RF_INV_E_COUNT | + RF_INV_E_PARAM | RF_INV_E_TYPE)) { + sp->cmd->result = DID_ERROR << 16; + } else if (pkt->entry_status & RF_BUSY) { + sp->cmd->result = DID_BUS_BUSY << 16; + } else { + sp->cmd->result = DID_ERROR << 16; + } + qla2x00_sp_compl(ha, sp); } - qla2x00_sp_compl(ha, sp); - } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7 || pkt->entry_type == COMMAND_TYPE_6) { diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index ae1699f6854d..c9a74521b402 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -3690,16 +3690,6 @@ qla2x00_sp_free_dma(srb_t *sp) sp->flags &= ~SRB_CRC_CTX_DMA_VALID; } - CMD_SP(cmd) = NULL; -} - -static void -qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp) -{ - struct scsi_cmnd *cmd = sp->cmd; - - qla2x00_sp_free_dma(sp); - if (sp->flags & SRB_FCP_CMND_DMA_VALID) { struct ct6_dsd *ctx = sp->ctx; dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, @@ -3711,6 +3701,15 @@ qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp) sp->ctx = NULL; } + CMD_SP(cmd) = NULL; +} + +static void +qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp) +{ + struct scsi_cmnd *cmd = sp->cmd; + + qla2x00_sp_free_dma(sp); mempool_free(sp, ha->srb_mempool); cmd->scsi_done(cmd); } -- 2.39.5