vxge: No need for check vfree() pointer.

vfree() does its own 'NULL' check, so no need for check before
calling it.
Signed-off-by: NFigo.zhang <figo1802@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/vxge/vxge-config.c

@@ -1884,17 +1884,13 @@ void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool)
 				mempool->memblock_size, dma_object);
 	}
 
-	if (mempool->items_arr)
-		vfree(mempool->items_arr);
+	vfree(mempool->items_arr);
 
-	if (mempool->memblocks_dma_arr)
-		vfree(mempool->memblocks_dma_arr);
+	vfree(mempool->memblocks_dma_arr);
 
-	if (mempool->memblocks_priv_arr)
-		vfree(mempool->memblocks_priv_arr);
+	vfree(mempool->memblocks_priv_arr);
 
-	if (mempool->memblocks_arr)
-		vfree(mempool->memblocks_arr);
+	vfree(mempool->memblocks_arr);
 
 	vfree(mempool);
 }