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RDS: TCP: report addr/port info based on TCP socket in rds-info 

The socket argument passed to rds_tcp_tc_info() is a PF_RDS socket,
so it is incorrect to report the address port info based on
rds_getname() as part of TCP state report.

Invoke inet_getname() for the t_sock associated with the
rds_tcp_connection instead.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sowmini Varadhan 2016-11-04 10:04:11 -07:00 committed by David S. Miller
parent f5f99309fa
commit 1ac507d4ff
1 changed files with 13 additions and 7 deletions
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20
net/rds/tcp.c
View File

@ -220,7 +220,7 @@ void rds_tcp_set_callbacks(struct socket *sock, struct rds_conn_path *cp)
write_unlock_bh(&sock->sk->sk_callback_lock);
}
static void rds_tcp_tc_info(struct socket *sock, unsigned int len,
static void rds_tcp_tc_info(struct socket *rds_sock, unsigned int len,
struct rds_info_iterator *iter,
struct rds_info_lengths *lens)
{
@ -229,6 +229,7 @@ static void rds_tcp_tc_info(struct socket *sock, unsigned int len,
unsigned long flags;
struct sockaddr_in sin;
int sinlen;
struct socket *sock;
spin_lock_irqsave(&rds_tcp_tc_list_lock, flags);
@ -237,12 +238,17 @@ static void rds_tcp_tc_info(struct socket *sock, unsigned int len,
list_for_each_entry(tc, &rds_tcp_tc_list, t_list_item) {
sock->ops->getname(sock, (struct sockaddr *)&sin, &sinlen, 0);
tsinfo.local_addr = sin.sin_addr.s_addr;
tsinfo.local_port = sin.sin_port;
sock->ops->getname(sock, (struct sockaddr *)&sin, &sinlen, 1);
tsinfo.peer_addr = sin.sin_addr.s_addr;
tsinfo.peer_port = sin.sin_port;
sock = tc->t_sock;
if (sock) {
sock->ops->getname(sock, (struct sockaddr *)&sin,
&sinlen, 0);
tsinfo.local_addr = sin.sin_addr.s_addr;
tsinfo.local_port = sin.sin_port;
sock->ops->getname(sock, (struct sockaddr *)&sin,
&sinlen, 1);
tsinfo.peer_addr = sin.sin_addr.s_addr;
tsinfo.peer_port = sin.sin_port;
}
tsinfo.hdr_rem = tc->t_tinc_hdr_rem;
tsinfo.data_rem = tc->t_tinc_data_rem;