From: David S. Miller <davem@davemloft.net>
Date: Mon, 6 Oct 2008 19:48:29 +0000 (-0700)
Subject: Revert "ax25: Fix std timer socket destroy handling."
X-Git-Tag: v2.6.27~6^2~7
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=88a944eef8a4f9a2ca647eb16202a2b63f8ba7cd;p=linux-2.6-omap-h63xx.git

Revert "ax25: Fix std timer socket destroy handling."

This reverts commit 30902dc3cb0ea1cfc7ac2b17bcf478ff98420d74.

It causes all kinds of problems, based upon a report by
Bernard (f6bvp) and analysis by Jarek Poplawski.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ax25/ax25_std_timer.c b/net/ax25/ax25_std_timer.c
index cdc7e751ef3..96e4b927325 100644
--- a/net/ax25/ax25_std_timer.c
+++ b/net/ax25/ax25_std_timer.c
@@ -39,9 +39,11 @@ void ax25_std_heartbeat_expiry(ax25_cb *ax25)
 
 	switch (ax25->state) {
 	case AX25_STATE_0:
-		if (!sk ||
-		    sock_flag(sk, SOCK_DESTROY) ||
-		    sock_flag(sk, SOCK_DEAD)) {
+		/* Magic here: If we listen() and a new link dies before it
+		   is accepted() it isn't 'dead' so doesn't get removed. */
+		if (!sk || sock_flag(sk, SOCK_DESTROY) ||
+		    (sk->sk_state == TCP_LISTEN &&
+		     sock_flag(sk, SOCK_DEAD))) {
 			if (sk) {
 				sock_hold(sk);
 				ax25_destroy_socket(ax25);