diff --git a/[refs] b/[refs]
index 0a3a9834225b..53780dfeb17c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5557a419d44d063be665100086adf4721d41ea49
+refs/heads/master: 921eeadbbdd7ffba16937a3b63e408c980c39db6
diff --git a/trunk/drivers/dma/ioat/dma_v2.c b/trunk/drivers/dma/ioat/dma_v2.c
index 86895760b598..b9d667851445 100644
--- a/trunk/drivers/dma/ioat/dma_v2.c
+++ b/trunk/drivers/dma/ioat/dma_v2.c
@@ -434,12 +434,11 @@ static struct ioat_ring_ent *ioat2_alloc_ring_ent(struct dma_chan *chan, gfp_t f
 		return NULL;
 	memset(hw, 0, sizeof(*hw));
 
-	desc = kmem_cache_alloc(ioat2_cache, flags);
+	desc = kmem_cache_zalloc(ioat2_cache, flags);
 	if (!desc) {
 		pci_pool_free(dma->dma_pool, hw, phys);
 		return NULL;
 	}
-	memset(desc, 0, sizeof(*desc));
 
 	dma_async_tx_descriptor_init(&desc->txd, chan);
 	desc->txd.tx_submit = ioat2_tx_submit_unlock;