[SCSI] ibmvscsi: avoid unnecessary use of kzalloc_pool

The allocated struct is manually zeroed after allocation, so avoid using
the (broken) kzalloc mempool (which does not re-zero previously used items
when they are returned to the pool).

Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/ibmvscsi/ibmvfc.c

@@ -4217,7 +4217,7 @@ static int ibmvfc_alloc_mem(struct ibmvfc_host *vhost)
 	if (!vhost->trace)
 		goto free_disc_buffer;
 
-	vhost->tgt_pool = mempool_create_kzalloc_pool(IBMVFC_TGT_MEMPOOL_SZ,
+	vhost->tgt_pool = mempool_create_kmalloc_pool(IBMVFC_TGT_MEMPOOL_SZ,
 						      sizeof(struct ibmvfc_target));
 
 	if (!vhost->tgt_pool) {