diff options
| author | Eyal Birger | 2015-03-01 13:58:29 +0100 |
|---|---|---|
| committer | David S. Miller | 2015-03-02 06:19:30 +0100 |
| commit | b4772ef879a8f7d8c56118c2ae5a296fcf6f81d2 (patch) | |
| tree | b4498c776c28e5c87cdeebf17577d002bcd21d47 /net/ipv4 | |
| parent | net: packet: use sockaddr_ll fields as storage for skb original length in rec... (diff) | |
| download | kernel-qcow2-linux-b4772ef879a8f7d8c56118c2ae5a296fcf6f81d2.tar.gz kernel-qcow2-linux-b4772ef879a8f7d8c56118c2ae5a296fcf6f81d2.tar.xz kernel-qcow2-linux-b4772ef879a8f7d8c56118c2ae5a296fcf6f81d2.zip | |
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/ipv4')
| -rw-r--r-- | net/ipv4/af_inet.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp.c | 3 |
2 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index d2e49baaff63..4ce954cc94a4 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -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) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 9d72a0fcd928..4b57ea8dabc7 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3005,12 +3005,11 @@ static void __init tcp_init_mem(void) void __init tcp_init(void) { - struct sk_buff *skb = NULL; unsigned long limit; int max_rshare, max_wshare, cnt; unsigned int i; - BUILD_BUG_ON(sizeof(struct tcp_skb_cb) > sizeof(skb->cb)); + sock_skb_cb_check_size(sizeof(struct tcp_skb_cb)); percpu_counter_init(&tcp_sockets_allocated, 0, GFP_KERNEL); percpu_counter_init(&tcp_orphan_count, 0, GFP_KERNEL); |