From: Vinod Koul <vinod.koul@intel.com>
Date: Mon, 21 Sep 2015 15:26:58 +0000 (+0530)
Subject: dmaengine: xgene-dma: use dma_pool_zalloc
X-Git-Tag: v4.4-rc1~63^2~29
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9c811209eb87f26e83f1b1afea186d4797f8b71e;p=linux.git

dmaengine: xgene-dma: use dma_pool_zalloc

We should use shiny new dma_pool_zalloc instead of
dma_pool_alloc/memset

Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c
index b23e8d52d126..dc84ed1f7541 100644
--- a/drivers/dma/xgene-dma.c
+++ b/drivers/dma/xgene-dma.c
@@ -556,14 +556,12 @@ static struct xgene_dma_desc_sw *xgene_dma_alloc_descriptor(
 	struct xgene_dma_desc_sw *desc;
 	dma_addr_t phys;
 
-	desc = dma_pool_alloc(chan->desc_pool, GFP_NOWAIT, &phys);
+	desc = dma_pool_zalloc(chan->desc_pool, GFP_NOWAIT, &phys);
 	if (!desc) {
 		chan_err(chan, "Failed to allocate LDs\n");
 		return NULL;
 	}
 
-	memset(desc, 0, sizeof(*desc));
-
 	INIT_LIST_HEAD(&desc->tx_list);
 	desc->tx.phys = phys;
 	desc->tx.tx_submit = xgene_dma_tx_submit;