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-rw-r--r--net/unix/diag.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/net/unix/diag.c b/net/unix/diag.c
index 24c7a65d9cb1..a5c4aab0380d 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -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;