diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 5055f925d2cd..13e49c31d19b 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -1292,7 +1292,8 @@ _scsih_target_alloc(struct scsi_target *starget)
 	unsigned long flags;
 	struct sas_rphy *rphy;
 
-	sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL);
+	sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
+				       GFP_KERNEL);
 	if (!sas_target_priv_data)
 		return -ENOMEM;
 
@@ -1406,7 +1407,8 @@ _scsih_slave_alloc(struct scsi_device *sdev)
 	struct _sas_device *sas_device;
 	unsigned long flags;
 
-	sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
+	sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
+				       GFP_KERNEL);
 	if (!sas_device_priv_data)
 		return -ENOMEM;