From 4773f9bdb476501df565b610adc0edf1932f2c6e Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Mon, 12 Aug 2019 20:47:40 +0200
Subject: [PATCH] r8169: fix sporadic transmit timeout issue
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Git-commit: 4773f9bdb476501df565b610adc0edf1932f2c6e
Patch-mainline: v5.4-rc1
References: bsc#1175746
Holger reported sporadic transmit timeouts and it turned out that one
path misses ringing the doorbell. Fix was suggested by Eric.
Fixes: ef14358546b1 ("r8169: make use of xmit_more")
Suggested-by: Eric Dumazet <edumazet@google.com>
Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/ethernet/realtek/r8169_main.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index a4233ace21ca..34d072f0c895 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -5681,6 +5681,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
*/
smp_wmb();
netif_stop_queue(dev);
+ door_bell = true;
}
if (door_bell)
--
2.16.4