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net: use common macro for assering skb->cb[] available size in protocol families

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As part of an effort to move skb->dropcount to skb->cb[] use a common
macro in protocol families using skb->cb[] for ancillary data to
validate available room in skb->cb[].

Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eyal Birger
2015-03-01 14:58:29 +02:00
committed by David S. Miller
parent 2472d7613b
commit b4772ef879
9 changed files with 13 additions and 14 deletions
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2
net/ipv4/af_inet.c
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@@ -1675,7 +1675,7 @@ static int __init inet_init(void)
struct list_head *r;
int rc = -EINVAL;
BUILD_BUG_ON(sizeof(struct inet_skb_parm) > FIELD_SIZEOF(struct sk_buff, cb));
sock_skb_cb_check_size(sizeof(struct inet_skb_parm));
rc = proto_register(&tcp_prot, 1);
if (rc)