From a20a8554796bc4e28879beabd0db4bf3ce77b686 Mon Sep 17 00:00:00 2001 From: Shaun Pereira Date: Fri, 6 Jan 2006 13:11:35 -0800 Subject: [PATCH] [X25]: Fix for broken x25 module. When a user-space server application calls bind on a socket, then in kernel space this bound socket is considered 'x25-linked' and the SOCK_ZAPPED flag is unset.(As in x25_bind()/af_x25.c). Now when a user-space client application attempts to connect to the server on the listening socket, if the kernel accepts this in-coming call, then it returns a new socket to userland and attempts to reply to the caller. The reply/x25_sendmsg() will fail, because the new socket created on call-accept has its SOCK_ZAPPED flag set by x25_make_new(). (sock_init_data() called by x25_alloc_socket() called by x25_make_new() sets the flag to SOCK_ZAPPED)). Fix: Using the sock_copy_flag() routine available in sock.h fixes this. Tested on 32 and 64 bit kernels with x25 over tcp. Signed-off-by: Shaun Pereira Signed-off-by: Andrew Morton Signed-off-by: David S. Miller --- net/x25/af_x25.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 16459c7f54b2..bfabaf9cba87 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -540,12 +540,7 @@ static struct sock *x25_make_new(struct sock *osk) sk->sk_state = TCP_ESTABLISHED; sk->sk_sleep = osk->sk_sleep; sk->sk_backlog_rcv = osk->sk_backlog_rcv; - - if (sock_flag(osk, SOCK_ZAPPED)) - sock_set_flag(sk, SOCK_ZAPPED); - - if (sock_flag(osk, SOCK_DBG)) - sock_set_flag(sk, SOCK_DBG); + sock_copy_flags(sk, osk); ox25 = x25_sk(osk); x25->t21 = ox25->t21; -- 2.34.1