This helps to detect the accidental processes/apps trying to destroy
the RDS socket which they are sharing with other processes/apps.
Reviewed-by: Ajaykumar Hotchandani <ajaykumar.hotchand...@oracle.com>
Signed-off-by: Santosh Shilimkar <ssant...@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilim...@oracle.com>
---
net/rds/af_rds.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 896834c..a2f28a6 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -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);
--
1.9.1
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