3 files changed, 8 insertions, 10 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index ab5ec1fe..90aa53f 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -1503,7 +1503,7 @@ zfcp_gid_pn_buffers_alloc(struct zfcp_gid_pn_data **gid_pn, mempool_t *pool)
 			data->ct.pool = pool;
 		}
 	} else {
-		data = kmalloc(sizeof(struct zfcp_gid_pn_data), GFP_ATOMIC);
+		data = kmem_cache_alloc(zfcp_data.gid_pn_cache, GFP_ATOMIC);
 	}
 
         if (NULL == data)
@@ -1531,7 +1531,7 @@ static void zfcp_gid_pn_buffers_free(struct zfcp_gid_pn_data *gid_pn)
 	if (gid_pn->ct.pool)
 		mempool_free(gid_pn, gid_pn->ct.pool);
 	else
-		kfree(gid_pn);
+		kmem_cache_free(zfcp_data.gid_pn_cache, gid_pn);
 }
 
 /**
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 81daa82..c6899ef 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -640,13 +640,9 @@ int
 zfcp_qdio_sbals_from_scsicmnd(struct zfcp_fsf_req *fsf_req,
 			      unsigned long sbtype, struct scsi_cmnd *scsi_cmnd)
 {
-	if (scsi_sg_count(scsi_cmnd))
-		return zfcp_qdio_sbals_from_sg(fsf_req,	sbtype,
-					       scsi_sglist(scsi_cmnd),
-					       scsi_sg_count(scsi_cmnd),
-					       ZFCP_MAX_SBALS_PER_REQ);
-	else
-		return 0;
+	return zfcp_qdio_sbals_from_sg(fsf_req,	sbtype, scsi_sglist(scsi_cmnd),
+				       scsi_sg_count(scsi_cmnd),
+				       ZFCP_MAX_SBALS_PER_REQ);
 }
 
 /**
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 0acf6db..ad7eb4a 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -764,7 +764,9 @@ zfcp_reset_fc_host_stats(struct Scsi_Host *shost)
 		return;
 
 	ret = zfcp_fsf_exchange_port_data(NULL, adapter, data);
-	if (ret == 0) {
+	if (ret) {
+		kfree(data);
+	} else {
 		adapter->stats_reset = jiffies/HZ;
 		old_data = adapter->stats_reset_data;
 		adapter->stats_reset_data = data; /* finally freed in