netdev - [PATCH 2/2] sky2: Reset tx train after interrupts disabled

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <4A77FEC0.7050304@ring3k.org>
Date:	Tue, 04 Aug 2009 18:26:24 +0900
From:	Mike McCormack <mikem@...g3k.org>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
CC:	netdev@...r.kernel.org
Subject: [PATCH 2/2] sky2: Reset tx train after interrupts disabled

Reseting the tx chain too soon results in invalid tx queue positions
being delivered in the status queue.  This also makes sure there's no
overlap between the cleanup done by sky2_tx_clean() and sky2_tx_done().

Signed-off-by: Mike McCormack <mikem@...g3k.org>
---
 drivers/net/sky2.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index cb3412a..e9cb1e7 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1875,8 +1875,6 @@ static int sky2_down(struct net_device *dev)
 	      && port == 0 && hw->dev[1] && netif_running(hw->dev[1])))
 		sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET);
 
-	sky2_tx_reset(sky2);
-
 	sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
 
 	/* Force any delayed status interrrupt and NAPI */
@@ -1901,6 +1899,8 @@ static int sky2_down(struct net_device *dev)
 	/* turn off LED's */
 	sky2_write16(hw, B0_Y2LED, LED_STAT_OFF);
 
+	sky2_tx_reset(sky2);
+
 	sky2_tx_clean(dev);
 	sky2_rx_clean(sky2);
 
-- 
1.5.6.5

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html