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| author | Patrick McHardy <kaber@trash.net> | 2007-03-29 11:46:52 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-03-29 11:46:52 -0700 |
| commit | c01003c20563d1e75ec9828d21743919d2b43977 (patch) | |
| tree | 21cae8933e8a4908d8e8c24244a627bf0c997e77 /include/linux | |
| parent | db8b22550d4b83f0910d27a34d05aa16f7f7159f (diff) | |
| download | op-kernel-dev-c01003c20563d1e75ec9828d21743919d2b43977.zip op-kernel-dev-c01003c20563d1e75ec9828d21743919d2b43977.tar.gz | |
[IFB]: Fix crash on input device removal
The input_device pointer is not refcounted, which means the device may
disappear while packets are queued, causing a crash when ifb passes packets
with a stale skb->dev pointer to netif_rx().
Fix by storing the interface index instead and do a lookup where neccessary.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/skbuff.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 4ff3940..82f43ad 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -188,7 +188,7 @@ enum { * @sk: Socket we are owned by * @tstamp: Time we arrived * @dev: Device we arrived on/are leaving by - * @input_dev: Device we arrived on + * @iif: ifindex of device we arrived on * @h: Transport layer header * @nh: Network layer header * @mac: Link layer header @@ -235,7 +235,8 @@ struct sk_buff { struct sock *sk; struct skb_timeval tstamp; struct net_device *dev; - struct net_device *input_dev; + int iif; + /* 4 byte hole on 64 bit*/ union { struct tcphdr *th; |
