5.15-stable review patch. If anyone has any objections, please let me know.
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From: Heiner Kallweit hkallweit1@gmail.com
commit d516b187a9cc2e842030dd005be2735db3e8f395 upstream.
The skb isn't consumed in case of NETDEV_TX_BUSY, therefore don't increment the tx_dropped counter.
Fixes: 188f4af04618 ("r8169: use NETDEV_TX_{BUSY/OK}") Cc: stable@vger.kernel.org Suggested-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Heiner Kallweit hkallweit1@gmail.com Reviewed-by: Wojciech Drewek wojciech.drewek@intel.com Link: https://patch.msgid.link/bbba9c48-8bac-4932-9aa1-d2ed63bc9433@gmail.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/realtek/r8169_main.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
--- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -4283,7 +4283,8 @@ static netdev_tx_t rtl8169_start_xmit(st if (unlikely(!rtl_tx_slots_avail(tp))) { if (net_ratelimit()) netdev_err(dev, "BUG! Tx Ring full when queue awake!\n"); - goto err_stop_0; + netif_stop_queue(dev); + return NETDEV_TX_BUSY; }
opts[1] = rtl8169_tx_vlan_tag(skb); @@ -4356,11 +4357,6 @@ err_dma_0: dev_kfree_skb_any(skb); dev->stats.tx_dropped++; return NETDEV_TX_OK; - -err_stop_0: - netif_stop_queue(dev); - dev->stats.tx_dropped++; - return NETDEV_TX_BUSY; }
static unsigned int rtl_last_frag_len(struct sk_buff *skb)