scsi: mpt3sas: check command status before attempting abort

When attempting a command abort we should check the command status prior to sending the abort; the command might've been completed already. Signed-off-by: Hannes Reinecke <[email protected]> Signed-off-by: Suganath Prabu S <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
cail · Jan 11, 2018 · 9961c9b · 9961c9b
1 parent 12e7c67
commit 9961c9b
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -2771,16 +2771,21 @@ mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel,
 		return (!rc) ? SUCCESS : FAILED;
 	}
 
+	if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
+		scsi_lookup = mpt3sas_get_st_from_smid(ioc, smid_task);
+		if (!scsi_lookup)
+			return FAILED;
+		if (scsi_lookup->cb_idx == 0xFF)
+			return SUCCESS;
+	}
+
 	smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
 	if (!smid) {
 		pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
 		    ioc->name, __func__);
 		return FAILED;
 	}
 
-	if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
-		scsi_lookup = mpt3sas_get_st_from_smid(ioc, smid_task);
-
 	dtmprintk(ioc, pr_info(MPT3SAS_FMT
 		"sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n",
 		ioc->name, handle, type, smid_task));