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inet_diag: Split inet_diag_get_exact into parts

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Similar to previous patch: the 1st part locks the inet handler
and will get generalized and the 2nd one dumps icsk-s and will
be used by TCP and DCCP handlers.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2011-12-09 06:22:26 +00:00 committed by David S. Miller
parent 476f7dbff3
commit efb3cb428d
1 changed files with 16 additions and 12 deletions
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28
net/ipv4/inet_diag.c
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@ -709,19 +709,11 @@ out:
return err;
}
static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
struct inet_diag_req *r, struct nlattr *bc)
static void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
struct netlink_callback *cb, struct inet_diag_req *r, struct nlattr *bc)
{
int i, num;
int s_i, s_num;
const struct inet_diag_handler *handler;
struct inet_hashinfo *hashinfo;
handler = inet_diag_lock_handler(r->sdiag_protocol);
if (IS_ERR(handler))
goto unlock;
hashinfo = handler->idiag_hashinfo;
s_i = cb->args[1];
s_num = num = cb->args[2];
@ -790,7 +782,7 @@ skip_listen_ht:
}
if (!(r->idiag_states & ~(TCPF_LISTEN | TCPF_SYN_RECV)))
goto unlock;
goto out;
for (i = s_i; i <= hashinfo->ehash_mask; i++) {
struct inet_ehash_bucket *head = &hashinfo->ehash[i];
@ -863,8 +855,20 @@ next_dying:
done:
cb->args[1] = i;
cb->args[2] = num;
unlock:
out:
;
}
static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
struct inet_diag_req *r, struct nlattr *bc)
{
const struct inet_diag_handler *handler;
handler = inet_diag_lock_handler(r->sdiag_protocol);
if (!IS_ERR(handler))
inet_diag_dump_icsk(handler->idiag_hashinfo, skb, cb, r, bc);
inet_diag_unlock_handler(handler);
return skb->len;
}