netrom: Fix sock_orphan() use in nr_release

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From: Linux Kernel Mailing List
Date: Wednesday, October 8, 2008 - 2:59 pm

Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=859f4c...
Commit:     859f4c74d8de4dc344b3a115367d5e22a79bddaf
Parent:     33d1d2c52c3befa6c4df33b4ba58137d1c48894b
Author:     Jarek Poplawski <jarkao2@gmail.com>
AuthorDate: Mon Oct 6 12:54:57 2008 -0700
Committer:  David S. Miller <davem@davemloft.net>
CommitDate: Mon Oct 6 12:54:57 2008 -0700

    netrom: Fix sock_orphan() use in nr_release
    
    While debugging another bug it was found that NetRom socks
    are sometimes seen unorphaned in sk_free(). This patch moves
    sock_orphan() in nr_release() to the beginning (like in ax25,
    or rose).
    
    Reported-and-tested-by: Bernard Pidoux f6bvp <f6bvp@free.fr>
    Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netrom/af_netrom.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 532e4fa..9f1ea4a 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -525,6 +525,7 @@ static int nr_release(struct socket *sock)
 	if (sk == NULL) return 0;
 
 	sock_hold(sk);
+	sock_orphan(sk);
 	lock_sock(sk);
 	nr = nr_sk(sk);
 
@@ -548,7 +549,6 @@ static int nr_release(struct socket *sock)
 		sk->sk_state    = TCP_CLOSE;
 		sk->sk_shutdown |= SEND_SHUTDOWN;
 		sk->sk_state_change(sk);
-		sock_orphan(sk);
 		sock_set_flag(sk, SOCK_DESTROY);
 		break;
 
--

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