linux-kernel - [PATCH] r8169: fix a bug in rtl8169_init

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Message-ID: <1300549151.2831.32.camel@edumazet-laptop>
Date:	Sat, 19 Mar 2011 16:39:11 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	Anca Emanuel <anca.emanuel@...il.com>, piotr@...owicz.com,
	LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org,
	Francois Romieu <romieu@...zoreil.com>,
	David Miller <davem@...emloft.net>
Subject: [PATCH] r8169: fix a bug in rtl8169_init_phy()

Le samedi 19 mars 2011 à 16:33 +0100, Eric Dumazet a écrit :
> Le samedi 19 mars 2011 à 16:31 +0100, Oliver Neukum a écrit :
> > Am Samstag, 19. März 2011, 16:18:50 schrieb Eric Dumazet:
> > 
> > > Problem comes from commit 54405cde762408b00a445466a40da4f7f33a8479
> > > (r8169: support control of advertising.)
> > > 
> > > Reverting it brings back NIC for me
> > 
> > Odd. It worked for me. Are you testing on a gigabit switch? Could you send
> > me dmesg? Does it work if you use ethtool to advertise a lower speed?
> > 
> > 	Regards
> > 		Oliver
> 
> I found the bug, I am sending a patch in two minutes.
> 

Here it is

[PATCH] r8169: fix a bug in rtl8169_init_phy()

commit 54405cde7624 (r8169: support control of advertising.)
introduced a bug in rtl8169_init_phy()

Reported-by: Piotr Hosowicz <piotr@...owicz.com>
Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
Cc: Oliver Neukum <oliver@...kum.org>
Cc: Francois Romieu <romieu@...zoreil.com>
---
 drivers/net/r8169.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 5e40351..493b0de 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2685,9 +2685,9 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
 	rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
 		ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
 		ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
-		tp->mii.supports_gmii ?
+		(tp->mii.supports_gmii ?
 			ADVERTISED_1000baseT_Half |
-			ADVERTISED_1000baseT_Full : 0);
+			ADVERTISED_1000baseT_Full : 0));
 
 	if (RTL_R8(PHYstatus) & TBI_Enable)
 		netif_info(tp, link, dev, "TBI auto-negotiating\n");


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