| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20180124092817.103089-2-ubraun@linux.vnet.ibm.com>
Date: Wed, 24 Jan 2018 10:28:12 +0100
From: Ursula Braun <ubraun@...ux.vnet.ibm.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, linux-s390@...r.kernel.org,
jwi@...ux.vnet.ibm.com, schwidefsky@...ibm.com,
heiko.carstens@...ibm.com, raspl@...ux.vnet.ibm.com,
ubraun@...ux.vnet.ibm.com
Subject: [PATCH net-next 1/6] net/smc: use local struct sock variables consistently
Cleanup to consistently exploit the local struct sock definitions.
No functional change.
Signed-off-by: Ursula Braun <ubraun@...ux.vnet.ibm.com>
---
net/smc/af_smc.c | 33 +++++++++++++++++----------------
net/smc/smc_close.c | 38 ++++++++++++++++++++------------------
2 files changed, 37 insertions(+), 34 deletions(-)
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index daf8075f5a4c..eccccf743b9f 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -581,39 +581,39 @@ static int smc_connect(struct socket *sock, struct sockaddr *addr,
static int smc_clcsock_accept(struct smc_sock *lsmc, struct smc_sock **new_smc)
{
- struct sock *sk = &lsmc->sk;
- struct socket *new_clcsock;
+ struct socket *new_clcsock = NULL;
+ struct sock *lsk = &lsmc->sk;
struct sock *new_sk;
int rc;
- release_sock(&lsmc->sk);
- new_sk = smc_sock_alloc(sock_net(sk), NULL);
+ release_sock(lsk);
+ new_sk = smc_sock_alloc(sock_net(lsk), NULL);
if (!new_sk) {
rc = -ENOMEM;
- lsmc->sk.sk_err = ENOMEM;
+ lsk->sk_err = ENOMEM;
*new_smc = NULL;
- lock_sock(&lsmc->sk);
+ lock_sock(lsk);
goto out;
}
*new_smc = smc_sk(new_sk);
rc = kernel_accept(lsmc->clcsock, &new_clcsock, 0);
- lock_sock(&lsmc->sk);
+ lock_sock(lsk);
if (rc < 0) {
- lsmc->sk.sk_err = -rc;
+ lsk->sk_err = -rc;
new_sk->sk_state = SMC_CLOSED;
sock_set_flag(new_sk, SOCK_DEAD);
- sk->sk_prot->unhash(new_sk);
+ new_sk->sk_prot->unhash(new_sk);
sock_put(new_sk);
*new_smc = NULL;
goto out;
}
- if (lsmc->sk.sk_state == SMC_CLOSED) {
+ if (lsk->sk_state == SMC_CLOSED) {
if (new_clcsock)
sock_release(new_clcsock);
new_sk->sk_state = SMC_CLOSED;
sock_set_flag(new_sk, SOCK_DEAD);
- sk->sk_prot->unhash(new_sk);
+ new_sk->sk_prot->unhash(new_sk);
sock_put(new_sk);
*new_smc = NULL;
goto out;
@@ -936,11 +936,12 @@ static void smc_tcp_listen_work(struct work_struct *work)
{
struct smc_sock *lsmc = container_of(work, struct smc_sock,
tcp_listen_work);
+ struct sock *lsk = &lsmc->sk;
struct smc_sock *new_smc;
int rc = 0;
- lock_sock(&lsmc->sk);
- while (lsmc->sk.sk_state == SMC_LISTEN) {
+ lock_sock(lsk);
+ while (lsk->sk_state == SMC_LISTEN) {
rc = smc_clcsock_accept(lsmc, &new_smc);
if (rc)
goto out;
@@ -949,15 +950,15 @@ static void smc_tcp_listen_work(struct work_struct *work)
new_smc->listen_smc = lsmc;
new_smc->use_fallback = false; /* assume rdma capability first*/
- sock_hold(&lsmc->sk); /* sock_put in smc_listen_work */
+ sock_hold(lsk); /* sock_put in smc_listen_work */
INIT_WORK(&new_smc->smc_listen_work, smc_listen_work);
smc_copy_sock_settings_to_smc(new_smc);
schedule_work(&new_smc->smc_listen_work);
}
out:
- release_sock(&lsmc->sk);
- lsmc->sk.sk_data_ready(&lsmc->sk); /* no more listening, wake accept */
+ release_sock(lsk);
+ lsk->sk_data_ready(lsk); /* no more listening, wake accept */
}
static int smc_listen(struct socket *sock, int backlog)
diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c
index e194c6cc308a..11793912f001 100644
--- a/net/smc/smc_close.c
+++ b/net/smc/smc_close.c
@@ -115,36 +115,38 @@ static int smc_close_abort(struct smc_connection *conn)
*/
static void smc_close_active_abort(struct smc_sock *smc)
{
+ struct sock *sk = &smc->sk;
+
struct smc_cdc_conn_state_flags *txflags =
&smc->conn.local_tx_ctrl.conn_state_flags;
- smc->sk.sk_err = ECONNABORTED;
+ sk->sk_err = ECONNABORTED;
if (smc->clcsock && smc->clcsock->sk) {
smc->clcsock->sk->sk_err = ECONNABORTED;
smc->clcsock->sk->sk_state_change(smc->clcsock->sk);
}
- switch (smc->sk.sk_state) {
+ switch (sk->sk_state) {
case SMC_INIT:
case SMC_ACTIVE:
- smc->sk.sk_state = SMC_PEERABORTWAIT;
+ sk->sk_state = SMC_PEERABORTWAIT;
break;
case SMC_APPCLOSEWAIT1:
case SMC_APPCLOSEWAIT2:
txflags->peer_conn_abort = 1;
sock_release(smc->clcsock);
if (!smc_cdc_rxed_any_close(&smc->conn))
- smc->sk.sk_state = SMC_PEERABORTWAIT;
+ sk->sk_state = SMC_PEERABORTWAIT;
else
- smc->sk.sk_state = SMC_CLOSED;
+ sk->sk_state = SMC_CLOSED;
break;
case SMC_PEERCLOSEWAIT1:
case SMC_PEERCLOSEWAIT2:
if (!txflags->peer_conn_closed) {
- smc->sk.sk_state = SMC_PEERABORTWAIT;
+ sk->sk_state = SMC_PEERABORTWAIT;
txflags->peer_conn_abort = 1;
sock_release(smc->clcsock);
} else {
- smc->sk.sk_state = SMC_CLOSED;
+ sk->sk_state = SMC_CLOSED;
}
break;
case SMC_PROCESSABORT:
@@ -153,7 +155,7 @@ static void smc_close_active_abort(struct smc_sock *smc)
txflags->peer_conn_abort = 1;
sock_release(smc->clcsock);
}
- smc->sk.sk_state = SMC_CLOSED;
+ sk->sk_state = SMC_CLOSED;
break;
case SMC_PEERFINCLOSEWAIT:
case SMC_PEERABORTWAIT:
@@ -161,8 +163,8 @@ static void smc_close_active_abort(struct smc_sock *smc)
break;
}
- sock_set_flag(&smc->sk, SOCK_DEAD);
- smc->sk.sk_state_change(&smc->sk);
+ sock_set_flag(sk, SOCK_DEAD);
+ sk->sk_state_change(sk);
}
static inline bool smc_close_sent_any_close(struct smc_connection *conn)
@@ -278,7 +280,7 @@ int smc_close_active(struct smc_sock *smc)
}
if (old_state != sk->sk_state)
- sk->sk_state_change(&smc->sk);
+ sk->sk_state_change(sk);
return rc;
}
@@ -331,7 +333,7 @@ static void smc_close_passive_work(struct work_struct *work)
struct sock *sk = &smc->sk;
int old_state;
- lock_sock(&smc->sk);
+ lock_sock(sk);
old_state = sk->sk_state;
if (!conn->alert_token_local) {
@@ -340,7 +342,7 @@ static void smc_close_passive_work(struct work_struct *work)
goto wakeup;
}
- rxflags = &smc->conn.local_rx_ctrl.conn_state_flags;
+ rxflags = &conn->local_rx_ctrl.conn_state_flags;
if (rxflags->peer_conn_abort) {
smc_close_passive_abort_received(smc);
goto wakeup;
@@ -348,7 +350,7 @@ static void smc_close_passive_work(struct work_struct *work)
switch (sk->sk_state) {
case SMC_INIT:
- if (atomic_read(&smc->conn.bytes_to_rcv) ||
+ if (atomic_read(&conn->bytes_to_rcv) ||
(rxflags->peer_done_writing &&
!smc_cdc_rxed_any_close(conn)))
sk->sk_state = SMC_APPCLOSEWAIT1;
@@ -365,7 +367,7 @@ static void smc_close_passive_work(struct work_struct *work)
/* to check for closing */
case SMC_PEERCLOSEWAIT2:
case SMC_PEERFINCLOSEWAIT:
- if (!smc_cdc_rxed_any_close(&smc->conn))
+ if (!smc_cdc_rxed_any_close(conn))
break;
if (sock_flag(sk, SOCK_DEAD) &&
smc_close_sent_any_close(conn)) {
@@ -394,12 +396,12 @@ static void smc_close_passive_work(struct work_struct *work)
sk->sk_state_change(sk);
if ((sk->sk_state == SMC_CLOSED) &&
(sock_flag(sk, SOCK_DEAD) || !sk->sk_socket)) {
- smc_conn_free(&smc->conn);
+ smc_conn_free(conn);
schedule_delayed_work(&smc->sock_put_work,
SMC_CLOSE_SOCK_PUT_DELAY);
}
}
- release_sock(&smc->sk);
+ release_sock(sk);
}
void smc_close_sock_put_work(struct work_struct *work)
@@ -462,7 +464,7 @@ int smc_close_shutdown_write(struct smc_sock *smc)
}
if (old_state != sk->sk_state)
- sk->sk_state_change(&smc->sk);
+ sk->sk_state_change(sk);
return rc;
}
--
2.13.5
Powered by blists - more mailing lists