diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index b59bba3e651621fa5fa1ac3f216eb32dc721d947..8776330175e343c3a620005e7105140209910922 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -3280,12 +3280,18 @@ mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid)
 
 	if (smid < ioc->hi_priority_smid) {
 		struct scsiio_tracker *st;
+		void *request;
 
 		st = _get_st_from_smid(ioc, smid);
 		if (!st) {
 			_base_recovery_check(ioc);
 			return;
 		}
+
+		/* Clear MPI request frame */
+		request = mpt3sas_base_get_msg_frame(ioc, smid);
+		memset(request, 0, ioc->request_sz);
+
 		mpt3sas_base_clear_st(ioc, st);
 		_base_recovery_check(ioc);
 		return;
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 622832e55211d18bdd567111e2e38ac42d72580a..73d661a0ecbb9e06d03e6fce2964ce08b5e264fe 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -1474,11 +1474,23 @@ mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid)
 {
 	struct scsi_cmnd *scmd = NULL;
 	struct scsiio_tracker *st;
+	Mpi25SCSIIORequest_t *mpi_request;
 
 	if (smid > 0  &&
 	    smid <= ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT) {
 		u32 unique_tag = smid - 1;
 
+		mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+
+		/*
+		 * If SCSI IO request is outstanding at driver level then
+		 * DevHandle filed must be non-zero. If DevHandle is zero
+		 * then it means that this smid is free at driver level,
+		 * so return NULL.
+		 */
+		if (!mpi_request->DevHandle)
+			return scmd;
+
 		scmd = scsi_host_find_tag(ioc->shost, unique_tag);
 		if (scmd) {
 			st = scsi_cmd_priv(scmd);