From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, gospo@redhat.com,
Alexander Duyck <alexander.h.duyck@intel.com>,
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Subject: [PATCH] igb: only use vlan_gro_receive if vlans are registered
Date: Tue, 23 Mar 2010 21:35:18 -0700 [thread overview]
Message-ID: <20100324043517.32036.81274.stgit@localhost.localdomain> (raw)
From: Alexander Duyck <alexander.h.duyck@intel.com>
This change makes it so that vlan_gro_receive is only used if vlans have been
registered to the adapter structure. Previously we were just sending all vlan
tagged frames in via this function but this results in a null pointer
dereference when vlans are not registered.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
drivers/net/igb/igb_main.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index e72760c..01c65c7 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -5102,7 +5102,7 @@ static void igb_receive_skb(struct igb_q_vector *q_vector,
{
struct igb_adapter *adapter = q_vector->adapter;
- if (vlan_tag)
+ if (vlan_tag && adapter->vlgrp)
vlan_gro_receive(&q_vector->napi, adapter->vlgrp,
vlan_tag, skb);
else
next reply other threads:[~2010-03-24 4:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-24 4:35 Jeff Kirsher [this message]
2010-03-24 5:50 ` [PATCH] igb: only use vlan_gro_receive if vlans are registered Eric Dumazet
2010-03-24 6:21 ` David Miller
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