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 cdc7e75..96e4b92 100644 (file)
--- 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);