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net: use consume_skb() in place of kfree_skb() 

Remove some dropwatch/drop_monitor false positives.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2012-06-04 01:17:19 +00:00 committed by David S. Miller
parent 4aea39c11c
commit 5d0ba55b64
7 changed files with 14 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
net/atm/lec.c
View File

@ -231,9 +231,11 @@ static netdev_tx_t lec_start_xmit(struct sk_buff *skb,
if (skb_headroom(skb) < 2) {
pr_debug("reallocating skb\n");
skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
kfree_skb(skb);
if (skb2 == NULL)
if (unlikely(!skb2)) {
kfree_skb(skb);
return NETDEV_TX_OK;
}
consume_skb(skb);
skb = skb2;
}
skb_push(skb, 2);

2
net/atm/pppoatm.c
View File

@ -283,7 +283,7 @@ static int pppoatm_send(struct ppp_channel *chan, struct sk_buff *skb)
kfree_skb(n);
goto nospace;
}
kfree_skb(skb);
consume_skb(skb);
skb = n;
if (skb == NULL)
return DROP_PACKET;

2
net/ax25/ax25_out.c
View File

@ -350,7 +350,7 @@ void ax25_transmit_buffer(ax25_cb *ax25, struct sk_buff *skb, int type)
if (skb->sk != NULL)
skb_set_owner_w(skbn, skb->sk);
kfree_skb(skb);
consume_skb(skb);
skb = skbn;
}

2
net/ax25/ax25_route.c
View File

@ -474,7 +474,7 @@ struct sk_buff *ax25_rt_build_path(struct sk_buff *skb, ax25_address *src,
if (skb->sk != NULL)
skb_set_owner_w(skbn, skb->sk);
kfree_skb(skb);
consume_skb(skb);
skb = skbn;
}

6
net/decnet/dn_neigh.c
View File

@ -240,7 +240,7 @@ static int dn_long_output(struct neighbour *neigh, struct sk_buff *skb)
kfree_skb(skb);
return -ENOBUFS;
}
kfree_skb(skb);
consume_skb(skb);
skb = skb2;
net_info_ratelimited("dn_long_output: Increasing headroom\n");
}
@ -283,7 +283,7 @@ static int dn_short_output(struct neighbour *neigh, struct sk_buff *skb)
kfree_skb(skb);
return -ENOBUFS;
}
kfree_skb(skb);
consume_skb(skb);
skb = skb2;
net_info_ratelimited("dn_short_output: Increasing headroom\n");
}
@ -322,7 +322,7 @@ static int dn_phase3_output(struct neighbour *neigh, struct sk_buff *skb)
kfree_skb(skb);
return -ENOBUFS;
}
kfree_skb(skb);
consume_skb(skb);
skb = skb2;
net_info_ratelimited("dn_phase3_output: Increasing headroom\n");
}

4
net/ipv4/ip_output.c
View File

@ -200,7 +200,7 @@ static inline int ip_finish_output2(struct sk_buff *skb)
}
if (skb->sk)
skb_set_owner_w(skb2, skb->sk);
kfree_skb(skb);
consume_skb(skb);
skb = skb2;
}
@ -709,7 +709,7 @@ slow_path:
IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGCREATES);
}
kfree_skb(skb);
consume_skb(skb);
IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGOKS);
return err;

4
net/netfilter/ipvs/ip_vs_xmit.c
View File

@ -823,7 +823,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
IP_VS_ERR_RL("%s(): no memory\n", __func__);
return NF_STOLEN;
}
kfree_skb(skb);
consume_skb(skb);
skb = new_skb;
old_iph = ip_hdr(skb);
}
@ -942,7 +942,7 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
IP_VS_ERR_RL("%s(): no memory\n", __func__);
return NF_STOLEN;
}
kfree_skb(skb);
consume_skb(skb);
skb = new_skb;
old_iph = ipv6_hdr(skb);
}