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| author | Jitendra Bhivare <jitendra.bhivare@broadcom.com> | 2016-08-19 15:20:22 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-08-23 22:42:44 -0400 |
| commit | e1f9d31eb3272b4351239ecb7481f541d9eb76be (patch) | |
| tree | af873ce90152059878e38032a153d46864a25a0f /drivers/scsi/be2iscsi | |
| parent | 938f372c7d3d2a9a732a1ed7c9a0131ab1ab2e5b (diff) | |
| download | op-kernel-dev-e1f9d31eb3272b4351239ecb7481f541d9eb76be.zip op-kernel-dev-e1f9d31eb3272b4351239ecb7481f541d9eb76be.tar.gz | |
scsi: be2iscsi: Fix bad WRB index error
In very rare scenario, connection gets killed after throwing this error:
scsi host0: BM_2312 : Event CXN_KILLED_BAD_WRB_INDEX_ERROR[15]... CID : 4
connection1:0: detected conn error (1011)
memset ISCSI_WRB descriptor to zero for all allocations of WRB handle.
Signed-off-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/be2iscsi')
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 5024651..50d865e 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -967,6 +967,7 @@ beiscsi_get_wrb_handle(struct hwi_wrb_context *pwrb_context, else pwrb_context->alloc_index++; spin_unlock_bh(&pwrb_context->wrb_lock); + memset(pwrb_handle->pwrb, 0, sizeof(*pwrb_handle->pwrb)); return pwrb_handle; } @@ -1209,11 +1210,10 @@ hwi_complete_drvr_msgs(struct beiscsi_conn *beiscsi_conn, struct beiscsi_hba *phba, struct sol_cqe *psol) { struct hwi_wrb_context *pwrb_context; - struct wrb_handle *pwrb_handle = NULL; + uint16_t wrb_index, cid, cri_index; struct hwi_controller *phwi_ctrlr; + struct wrb_handle *pwrb_handle; struct iscsi_task *task; - struct beiscsi_io_task *io_task; - uint16_t wrb_index, cid, cri_index; phwi_ctrlr = phba->phwi_ctrlr; if (is_chip_be2_be3r(phba)) { @@ -1232,9 +1232,6 @@ hwi_complete_drvr_msgs(struct beiscsi_conn *beiscsi_conn, pwrb_context = &phwi_ctrlr->wrb_context[cri_index]; pwrb_handle = pwrb_context->pwrb_handle_basestd[wrb_index]; task = pwrb_handle->pio_handle; - - io_task = task->dd_data; - memset(io_task->pwrb_handle->pwrb, 0, sizeof(struct iscsi_wrb)); iscsi_put_task(task); } @@ -4295,16 +4292,12 @@ beiscsi_free_mgmt_task_handles(struct beiscsi_conn *beiscsi_conn, io_task = task->dd_data; if (io_task->pwrb_handle) { - memset(io_task->pwrb_handle->pwrb, 0, - sizeof(struct iscsi_wrb)); - free_wrb_handle(phba, pwrb_context, - io_task->pwrb_handle); + free_wrb_handle(phba, pwrb_context, io_task->pwrb_handle); io_task->pwrb_handle = NULL; } if (io_task->psgl_handle) { - free_mgmt_sgl_handle(phba, - io_task->psgl_handle); + free_mgmt_sgl_handle(phba, io_task->psgl_handle); io_task->psgl_handle = NULL; } @@ -4341,6 +4334,7 @@ static void beiscsi_cleanup_task(struct iscsi_task *task) pci_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs, io_task->bhs_pa.u.a64.address); io_task->cmd_bhs = NULL; + task->hdr = NULL; } if (task->sc) { |
