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| author | Shivasharan S | 2017-08-23 13:47:02 +0200 |
|---|---|---|
| committer | Martin K. Petersen | 2017-08-25 04:29:13 +0200 |
| commit | 28661c885c7ac06f2c3cc054bd99bd913b253afc (patch) | |
| tree | 4ecfacc7fe937612301569b7c4586c45dd2344ac /drivers/scsi | |
| parent | scsi: megaraid_sas: Check valid aen class range to avoid kernel panic (diff) | |
| download | kernel-qcow2-linux-28661c885c7ac06f2c3cc054bd99bd913b253afc.tar.gz kernel-qcow2-linux-28661c885c7ac06f2c3cc054bd99bd913b253afc.tar.xz kernel-qcow2-linux-28661c885c7ac06f2c3cc054bd99bd913b253afc.zip | |
scsi: megaraid_sas: Use SMID for Task abort case only
In TM code, smid_task is valid only in case of task aborts.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 6efa72a7ed5f..6da1663ddb54 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -3760,7 +3760,7 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, struct megasas_cmd_fusion *cmd_fusion; struct megasas_cmd *cmd_mfi; union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; - struct fusion_context *fusion; + struct fusion_context *fusion = NULL; struct megasas_cmd_fusion *scsi_lookup; int rc; struct MPI2_SCSI_TASK_MANAGE_REPLY *mpi_reply; @@ -3787,8 +3787,6 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, cmd_fusion->request_desc = req_desc; req_desc->Words = 0; - scsi_lookup = fusion->cmd_list[smid_task - 1]; - mr_request = (struct MR_TASK_MANAGE_REQUEST *) cmd_fusion->io_request; memset(mr_request, 0, sizeof(struct MR_TASK_MANAGE_REQUEST)); mpi_request = (struct MPI2_SCSI_TASK_MANAGE_REQUEST *) &mr_request->TmRequest; @@ -3835,6 +3833,8 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle, rc = SUCCESS; switch (type) { case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: + scsi_lookup = fusion->cmd_list[smid_task - 1]; + if (scsi_lookup->scmd == NULL) break; else { |