linux-kernel - [PATCH] net: ixp4xx_hss: use dma_pool

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Message-Id: <20210725144221.24391-1-wangborong@cdjrlc.com>
Date:   Sun, 25 Jul 2021 22:42:21 +0800
From:   Jason Wang <wangborong@...rlc.com>
To:     khalasa@...p.pl
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jason Wang <wangborong@...rlc.com>
Subject: [PATCH] net: ixp4xx_hss: use dma_pool_zalloc

The dma_pool_zalloc combines dma_pool_alloc/memset. Therefore, the
dma_pool_alloc/memset can be replaced with dma_pool_zalloc which is
more compact.

Signed-off-by: Jason Wang <wangborong@...rlc.com>
---
 drivers/net/wan/ixp4xx_hss.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 3c51ab239fb2..2cebbfca0bd1 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -975,11 +975,10 @@ static int init_hdlc_queues(struct port *port)
 			return -ENOMEM;
 	}
 
-	port->desc_tab = dma_pool_alloc(dma_pool, GFP_KERNEL,
+	port->desc_tab = dma_pool_zalloc(dma_pool, GFP_KERNEL,
 					&port->desc_tab_phys);
 	if (!port->desc_tab)
 		return -ENOMEM;
-	memset(port->desc_tab, 0, POOL_ALLOC_SIZE);
 	memset(port->rx_buff_tab, 0, sizeof(port->rx_buff_tab)); /* tables */
 	memset(port->tx_buff_tab, 0, sizeof(port->tx_buff_tab));
 
-- 
2.32.0