[PATCH net-next] fm10k: use skb_put_padto()

[Eric Dumazet <edumazet@kernel.org>]

Replace the open-coded skb_pad() + __skb_put() sequence
in fm10k_xmit_frame() with skb_put_padto().

Signed-off-by: Eric Dumazet <edumazet@kernel.org>
---
Cc: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
---
Part of a medium term plan to get rid of skb_pad(), source of many mistakes.

 drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
index c86701be4364aeae2831d8551b0012ab27b4bfa7..669a02c6415c65a37e43cb283cc24f57b31dd770 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
@@ -561,13 +561,8 @@ static netdev_tx_t fm10k_xmit_frame(struct sk_buff *skb, struct net_device *dev)
 	/* The minimum packet size for a single buffer is 17B so pad the skb
 	 * in order to meet this minimum size requirement.
 	 */
-	if (unlikely(skb->len < 17)) {
-		int pad_len = 17 - skb->len;
-
-		if (skb_pad(skb, pad_len))
-			return NETDEV_TX_OK;
-		__skb_put(skb, pad_len);
-	}
+	if (skb_put_padto(skb, 17))
+		return NETDEV_TX_OK;
 
 	if (r_idx >= num_tx_queues)
 		r_idx %= num_tx_queues;
-- 
2.53.0