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af_packet: remove unnecessary BUG_ON() in tpacket_destruct_skb

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If skb is NULL, then stack trace is thrown anyway on dereference.
Therefore, the stack trace triggered by BUG_ON is duplicate.

Signed-off-by: Daniel Borkmann <[email protected]>
Cc: Eric Dumazet <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
[email protected] 2011-10-10 06:52:46 +00:00 • committed by David S. Miller
commit 95f5f803b3
1 changed files with 0 additions and 2 deletions
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2
net/packet/af_packet.c
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@ -1968,8 +1968,6 @@ static void tpacket_destruct_skb(struct sk_buff *skb)
struct packet_sock *po = pkt_sk(skb->sk);
void *ph;
BUG_ON(skb == NULL);
if (likely(po->tx_ring.pg_vec)) {
ph = skb_shinfo(skb)->destructor_arg;
BUG_ON(__packet_get_status(po, ph) != TP_STATUS_SENDING);