From: "Matt Carlson" <mcarlson@broadcom•com>
To: davem@davemloft•net
Cc: netdev@vger•kernel.org, "Michael Chan" <mchan@broadcom•com>,
"Benjamin Li" <benli@broadcom•com>,
andy@greyhouse•net
Subject: [PATCH 04/14] tg3: Refine tg3_vlan_rx_register()
Date: Wed, 25 Feb 2009 16:23:56 -0800 [thread overview]
Message-ID: <1235616370.16004@xw6200> (raw)
tg3_vlan_rx_register() touches the hardware if netif_running() returns
false. This patch fixes the problem.
Signed-off-by: Matt Carlson <mcarlson@broadcom•com>
Signed-off-by: Benjamin Li <benli@broadcom•com>
Signed-off-by: Michael Chan <mchan@broadcom•com>
---
drivers/net/tg3.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 0ea61f7..ce29097 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9896,8 +9896,12 @@ static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
{
struct tg3 *tp = netdev_priv(dev);
- if (netif_running(dev))
- tg3_netif_stop(tp);
+ if (!netif_running(dev)) {
+ tp->vlgrp = grp;
+ return;
+ }
+
+ tg3_netif_stop(tp);
tg3_full_lock(tp, 0);
@@ -9906,8 +9910,7 @@ static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
/* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
__tg3_set_rx_mode(dev);
- if (netif_running(dev))
- tg3_netif_start(tp);
+ tg3_netif_start(tp);
tg3_full_unlock(tp);
}
--
1.6.0.6
reply other threads:[~2009-02-26 2:46 UTC|newest]
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