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unix_diag: Receive queue lenght NLA

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Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov
2011-12-15 02:46:31 +00:00
committed by David S. Miller
parent 2aac7a2cb0
commit cbf391958a
2 changed files with 15 additions and 0 deletions
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13
net/unix/diag.c
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@ -98,6 +98,15 @@ rtattr_failure:
return -EMSGSIZE;
}
static int sk_diag_show_rqlen(struct sock *sk, struct sk_buff *nlskb)
{
RTA_PUT_U32(nlskb, UNIX_DIAG_RQLEN, sk->sk_receive_queue.qlen);
return 0;
rtattr_failure:
return -EMSGSIZE;
}
static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_req *req,
u32 pid, u32 seq, u32 flags, int sk_ino)
{
@ -132,6 +141,10 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r
sk_diag_dump_icons(sk, skb))
goto nlmsg_failure;
if ((req->udiag_show & UDIAG_SHOW_RQLEN) &&
sk_diag_show_rqlen(sk, skb))
goto nlmsg_failure;
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;