netdev - [PATCH net-next 1/3] net: ethernet: ti: cpsw: switch to use skb_put

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Message-ID: <20210805145555.12182-2-grygorii.strashko@ti.com>
Date:   Thu, 5 Aug 2021 17:55:53 +0300
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     "David S. Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>,
        Jakub Kicinski <kuba@...nel.org>
CC:     <linux-kernel@...r.kernel.org>,
        Ben Hutchings <ben.hutchings@...ensium.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        <linux-omap@...r.kernel.org>, Lokesh Vutla <lokeshvutla@...com>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: [PATCH net-next 1/3] net: ethernet: ti: cpsw: switch to use skb_put_padto()

Use skb_put_padto() instead of skb_padto() so skb->len also got updated, as
preparation for further removing frame padding from cpdma.
It also makes xmit path more clear and linear.

Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
---
 drivers/net/ethernet/ti/cpsw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index abf9a2a6f7eb..8e1e582a10c8 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -905,7 +905,7 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb,
 	struct cpdma_chan *txch;
 	int ret, q_idx;
 
-	if (skb_padto(skb, CPSW_MIN_PACKET_SIZE)) {
+	if (skb_put_padto(skb, CPSW_MIN_PACKET_SIZE)) {
 		cpsw_err(priv, tx_err, "packet pad failed\n");
 		ndev->stats.tx_dropped++;
 		return NET_XMIT_DROP;
-- 
2.17.1