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| author | Eyal Birger <eyal.birger@gmail.com> | 2015-03-01 14:58:29 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-02 00:19:30 -0500 |
| commit | b4772ef879a8f7d8c56118c2ae5a296fcf6f81d2 (patch) | |
| tree | b4498c776c28e5c87cdeebf17577d002bcd21d47 /net/packet | |
| parent | 2472d7613bd3bae40a7dc75539c0858d5b9e795a (diff) | |
| download | linux-0-day-b4772ef879a8f7d8c56118c2ae5a296fcf6f81d2.tar.gz linux-0-day-b4772ef879a8f7d8c56118c2ae5a296fcf6f81d2.tar.xz | |
net: use common macro for assering skb->cb[] available size in protocol families
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>
Diffstat (limited to 'net/packet')
| -rw-r--r-- | net/packet/af_packet.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 7eea30b9c8e57..9cdb414cd231c 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1816,8 +1816,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, skb = nskb; } - BUILD_BUG_ON(sizeof(*PACKET_SKB_CB(skb)) + MAX_ADDR_LEN - 8 > - sizeof(skb->cb)); + sock_skb_cb_check_size(sizeof(*PACKET_SKB_CB(skb)) + MAX_ADDR_LEN - 8); sll = &PACKET_SKB_CB(skb)->sa.ll; sll->sll_hatype = dev->type; |