This is a note to let you know that I've just added the patch titled net: renesas: rswitch: Fix return value in error path of xmit to the 6.3-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-renesas-rswitch-fix-return-value-in-error-path-o.patch and it can be found in the queue-6.3 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 860707a00dc904e17c461ae4a63b8aa70f7dcdfb Author: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> Date: Mon May 29 16:38:17 2023 +0900 net: renesas: rswitch: Fix return value in error path of xmit [ Upstream commit a60caf039e96d806b1ced893242bae82ba3ccf0d ] Fix return value in the error path of rswitch_start_xmit(). If TX queues are full, this function should return NETDEV_TX_BUSY. Fixes: 3590918b5d07 ("net: ethernet: renesas: Add support for "Ethernet Switch"") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> Link: https://lore.kernel.org/r/20230529073817.1145208-1-yoshihiro.shimoda.uh@xxxxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c index c4f93d24c6a42..7855d9ef81eb1 100644 --- a/drivers/net/ethernet/renesas/rswitch.c +++ b/drivers/net/ethernet/renesas/rswitch.c @@ -1487,7 +1487,7 @@ 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))