diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 0c463c483c02..f2d967c5415e 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2863,8 +2863,9 @@ scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
 		struct sense_info data;
 		const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
 		    smid);
-		memcpy(scmd->sense_buffer, sense_data,
+		u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
 		    le32_to_cpu(mpi_reply->SenseCount));
+		memcpy(scmd->sense_buffer, sense_data, sz);
 		_scsih_normalize_sense(scmd->sense_buffer, &data);
 		/* failure prediction threshold exceeded */
 		if (data.asc == 0x5D)