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[NET]: Use BUILD_BUG_ON() for checking size of skb->cb.

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-09-01 00:29:06 -07:00 committed by David S. Miller
parent 366e4adc0f
commit ef047f5e10
4 changed files with 5 additions and 17 deletions
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5
net/ipv4/af_inet.c
View file

@ -1254,10 +1254,7 @@ static int __init inet_init(void)
struct list_head *r;
int rc = -EINVAL;
if (sizeof(struct inet_skb_parm) > sizeof(dummy_skb->cb)) {
printk(KERN_CRIT "%s: panic\n", __FUNCTION__);
goto out;
}
BUILD_BUG_ON(sizeof(struct inet_skb_parm) > sizeof(dummy_skb->cb));
rc = proto_register(&tcp_prot, 1);
if (rc)

7
net/ipv6/af_inet6.c
View file

@ -761,6 +761,8 @@ static int __init inet6_init(void)
struct list_head *r;
int err;
BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb));
#ifdef MODULE
#if 0 /* FIXME --RR */
if (!mod_member_present(&__this_module, can_unload))
@ -770,11 +772,6 @@ static int __init inet6_init(void)
#endif
#endif
if (sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb)) {
printk(KERN_CRIT "inet6_proto_init: size fault\n");
return -EINVAL;
}
err = proto_register(&tcpv6_prot, 1);
if (err)
goto out;

5
net/netlink/af_netlink.c
View file

@ -1762,8 +1762,6 @@ static struct net_proto_family netlink_family_ops = {
.owner = THIS_MODULE, /* for consistency 8) */
};
extern void netlink_skb_parms_too_large(void);
static int __init netlink_proto_init(void)
{
struct sk_buff *dummy_skb;
@ -1775,8 +1773,7 @@ static int __init netlink_proto_init(void)
if (err != 0)
goto out;
if (sizeof(struct netlink_skb_parms) > sizeof(dummy_skb->cb))
netlink_skb_parms_too_large();
BUILD_BUG_ON(sizeof(struct netlink_skb_parms) > sizeof(dummy_skb->cb));
nl_table = kcalloc(MAX_LINKS, sizeof(*nl_table), GFP_KERNEL);
if (!nl_table)

5
net/unix/af_unix.c
View file

@ -2060,10 +2060,7 @@ static int __init af_unix_init(void)
int rc = -1;
struct sk_buff *dummy_skb;
if (sizeof(struct unix_skb_parms) > sizeof(dummy_skb->cb)) {
printk(KERN_CRIT "%s: panic\n", __FUNCTION__);
goto out;
}
BUILD_BUG_ON(sizeof(struct unix_skb_parms) > sizeof(dummy_skb->cb));
rc = proto_register(&unix_proto, 1);
if (rc != 0) {