diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index df95727dc2fb..b8d858c7a7a5 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -439,9 +439,8 @@ static struct pch_dma_desc *pdc_alloc_desc(struct dma_chan *chan, gfp_t flags)
 	struct pch_dma *pd = to_pd(chan->device);
 	dma_addr_t addr;
 
-	desc = pci_pool_alloc(pd->pool, flags, &addr);
+	desc = pci_pool_zalloc(pd->pool, flags, &addr);
 	if (desc) {
-		memset(desc, 0, sizeof(struct pch_dma_desc));
 		INIT_LIST_HEAD(&desc->tx_list);
 		dma_async_tx_descriptor_init(&desc->txd, chan);
 		desc->txd.tx_submit = pd_tx_submit;