2 files changed, 22 insertions, 6 deletions

diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index 063b10dd82514..3b951589feeb6 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -2869,8 +2869,9 @@ _ctl_get_mpt_mctp_passthru_adapter(int dev_index)
 		if (ioc->facts.IOCCapabilities & MPI26_IOCFACTS_CAPABILITY_MCTP_PASSTHRU) {
 			if (count == dev_index) {
 				spin_unlock(&gioc_lock);
-				return 0;
+				return ioc;
 			}
+			count++;
 		}
 	}
 	spin_unlock(&gioc_lock);
@@ -2913,7 +2914,6 @@ int mpt3sas_send_mctp_passthru_req(struct mpt3_passthru_command *command)
 {
 	struct MPT3SAS_ADAPTER *ioc;
 	MPI2RequestHeader_t *mpi_request = NULL, *request;
-	MPI2DefaultReply_t *mpi_reply;
 	Mpi26MctpPassthroughRequest_t *mctp_passthru_req;
 	u16 smid;
 	unsigned long timeout;
@@ -3021,8 +3021,6 @@ int mpt3sas_send_mctp_passthru_req(struct mpt3_passthru_command *command)
 		goto issue_host_reset;
 	}
 
-	mpi_reply = ioc->ctl_cmds.reply;
-
 	/* copy out xdata to user */
 	if (data_in_sz)
 		memcpy(command->data_in_buf_ptr, data_in, data_in_sz);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 508861e88d9fe..967af259118e7 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -195,6 +195,14 @@ struct sense_info {
 #define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD)
 #define MPT3SAS_ABRT_TASK_SET (0xFFFE)
 #define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
+
+/*
+ * SAS Log info code for a NCQ collateral abort after an NCQ error:
+ * IOC_LOGINFO_PREFIX_PL | PL_LOGINFO_CODE_SATA_NCQ_FAIL_ALL_CMDS_AFTR_ERR
+ * See: drivers/message/fusion/lsi/mpi_log_sas.h
+ */
+#define IOC_LOGINFO_SATA_NCQ_FAIL_AFTER_ERR	0x31080000
+
 /**
  * struct fw_event_work - firmware event struct
  * @list: link list framework
@@ -5814,6 +5822,17 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
 			scmd->result = DID_TRANSPORT_DISRUPTED << 16;
 			goto out;
 		}
+		if (log_info == IOC_LOGINFO_SATA_NCQ_FAIL_AFTER_ERR) {
+			/*
+			 * This is a ATA NCQ command aborted due to another NCQ
+			 * command failure. We must retry this command
+			 * immediately but without incrementing its retry
+			 * counter.
+			 */
+			WARN_ON_ONCE(xfer_cnt != 0);
+			scmd->result = DID_IMM_RETRY << 16;
+			break;
+		}
 		if (log_info == 0x31110630) {
 			if (scmd->retries > 2) {
 				scmd->result = DID_NO_CONNECT << 16;
@@ -10790,8 +10809,7 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
 		break;
 	case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
 		_scsih_pcie_topology_change_event(ioc, fw_event);
-		ioc->current_event = NULL;
-		return;
+		break;
 	}
 out:
 	fw_event_work_put(fw_event);