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net: renesas: rswitch: Fix return value in error path of xmit

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Fix return value in the error path of rswitch_start_xmit(). If TX
queues are full, this function should return NETDEV_TX_BUSY.

Fixes: 3590918b5d ("net: ethernet: renesas: Add support for "Ethernet Switch"")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20230529073817.1145208-1-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Yoshihiro Shimoda 2023-05-29 16:38:17 +09:00 committed by Jakub Kicinski
parent 3c27f3d53d
commit a60caf039e
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/renesas/rswitch.c
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@ -1485,7 +1485,7 @@ static netdev_tx_t rswitch_start_xmit(struct sk_buff *skb, struct net_device *nd
if (rswitch_get_num_cur_queues(gq) >= gq->ring_size - 1) {
netif_stop_subqueue(ndev, 0);
return ret;
return NETDEV_TX_BUSY;
}
if (skb_put_padto(skb, ETH_ZLEN))