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Commit 0df5f9a6 authored by santosh.shilimkar@oracle.com's avatar santosh.shilimkar@oracle.com Committed by David S. Miller
Browse files

RDS: add a sock_destruct callback debug aid 



This helps to detect the accidental processes/apps trying to destroy
the RDS socket which they are sharing with other processes/apps.

Reviewed-by: default avatarAjaykumar Hotchandani <ajaykumar.hotchandani@oracle.com>
Signed-off-by: default avatarSantosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0c484240

net/rds/af_rds.c

+9 −0
Original line number Diff line number Diff line
@@ -438,6 +438,14 @@ static const struct proto_ops rds_proto_ops = { 
	.sendpage =	sock_no_sendpage,

};



static void rds_sock_destruct(struct sock *sk)

{

	struct rds_sock *rs = rds_sk_to_rs(sk);



	WARN_ON((&rs->rs_item != rs->rs_item.next ||

		 &rs->rs_item != rs->rs_item.prev));

}



static int __rds_create(struct socket *sock, struct sock *sk, int protocol)

{

	struct rds_sock *rs;
@@ -445,6 +453,7 @@ static int __rds_create(struct socket *sock, struct sock *sk, int protocol) 
	sock_init_data(sock, sk);

	sock->ops		= &rds_proto_ops;

	sk->sk_protocol		= protocol;

	sk->sk_destruct		= rds_sock_destruct;



	rs = rds_sk_to_rs(sk);

	spin_lock_init(&rs->rs_lock);