linux-kernel - [PATCH 3/8] tlan: use pci_zalloc instead of pci

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Date:   Tue, 26 Feb 2019 22:09:50 -0800
From:   Robert Eshleman <bobbyeshleman@...il.com>
To:     bobbyeshleman@...il.com
Cc:     Tariq Toukan <tariqt@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>,
        Samuel Chessman <chessman@....org>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/8] tlan: use pci_zalloc instead of pci_alloc

This patch replaces a pci_alloc_consistent and memset(,0) call
with a single call to pci_zalloc_consistent.

Signed-off-by: Robert Eshleman <bobbyeshleman@...il.com>
---
 drivers/net/ethernet/ti/tlan.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c
index b4ab1a5f6cd0..e1f7e71c3b21 100644
--- a/drivers/net/ethernet/ti/tlan.c
+++ b/drivers/net/ethernet/ti/tlan.c
@@ -845,17 +845,16 @@ static int tlan_init(struct net_device *dev)
 
 	dma_size = (TLAN_NUM_RX_LISTS + TLAN_NUM_TX_LISTS)
 		* (sizeof(struct tlan_list));
-	priv->dma_storage = pci_alloc_consistent(priv->pci_dev,
-						 dma_size,
-						 &priv->dma_storage_dma);
+	priv->dma_storage = pci_zalloc_consistent(priv->pci_dev,
+						  dma_size,
+						  &priv->dma_storage_dma);
 	priv->dma_size = dma_size;
 
-	if (priv->dma_storage == NULL) {
+	if (!priv->dma_storage) {
 		pr_err("Could not allocate lists and buffers for %s\n",
 		       dev->name);
 		return -ENOMEM;
 	}
-	memset(priv->dma_storage, 0, dma_size);
 	priv->rx_list = (struct tlan_list *)
 		ALIGN((unsigned long)priv->dma_storage, 8);
 	priv->rx_list_dma = ALIGN(priv->dma_storage_dma, 8);
-- 
2.20.1