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Diffstat (limited to 'net/smc')
-rw-r--r--net/smc/af_smc.c26
-rw-r--r--net/smc/smc_clc.c14
-rw-r--r--net/smc/smc_close.c14
-rw-r--r--net/smc/smc_pnet.c2
4 files changed, 30 insertions, 26 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 2d8a1e15e4f9..015231789ed2 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -742,7 +742,10 @@ static void smc_connect_work(struct work_struct *work)
smc->sk.sk_err = -rc;
out:
- smc->sk.sk_state_change(&smc->sk);
+ if (smc->sk.sk_err)
+ smc->sk.sk_state_change(&smc->sk);
+ else
+ smc->sk.sk_write_space(&smc->sk);
kfree(smc->connect_info);
smc->connect_info = NULL;
release_sock(&smc->sk);
@@ -1150,9 +1153,9 @@ static int smc_listen_rdma_reg(struct smc_sock *new_smc, int local_contact)
}
/* listen worker: finish RDMA setup */
-static void smc_listen_rdma_finish(struct smc_sock *new_smc,
- struct smc_clc_msg_accept_confirm *cclc,
- int local_contact)
+static int smc_listen_rdma_finish(struct smc_sock *new_smc,
+ struct smc_clc_msg_accept_confirm *cclc,
+ int local_contact)
{
struct smc_link *link = &new_smc->conn.lgr->lnk[SMC_SINGLE_LINK];
int reason_code = 0;
@@ -1175,11 +1178,12 @@ static void smc_listen_rdma_finish(struct smc_sock *new_smc,
if (reason_code)
goto decline;
}
- return;
+ return 0;
decline:
mutex_unlock(&smc_create_lgr_pending);
smc_listen_decline(new_smc, reason_code, local_contact);
+ return reason_code;
}
/* setup for RDMA connection of server */
@@ -1276,8 +1280,10 @@ static void smc_listen_work(struct work_struct *work)
}
/* finish worker */
- if (!ism_supported)
- smc_listen_rdma_finish(new_smc, &cclc, local_contact);
+ if (!ism_supported) {
+ if (smc_listen_rdma_finish(new_smc, &cclc, local_contact))
+ return;
+ }
smc_conn_save_peer_info(new_smc, &cclc);
mutex_unlock(&smc_create_lgr_pending);
smc_listen_out_connected(new_smc);
@@ -1529,7 +1535,7 @@ static __poll_t smc_poll(struct file *file, struct socket *sock,
return EPOLLNVAL;
smc = smc_sk(sock->sk);
- if ((sk->sk_state == SMC_INIT) || smc->use_fallback) {
+ if (smc->use_fallback) {
/* delegate to CLC child sock */
mask = smc->clcsock->ops->poll(file, smc->clcsock, wait);
sk->sk_err = smc->clcsock->sk->sk_err;
@@ -1560,9 +1566,9 @@ static __poll_t smc_poll(struct file *file, struct socket *sock,
mask |= EPOLLIN | EPOLLRDNORM | EPOLLRDHUP;
if (sk->sk_state == SMC_APPCLOSEWAIT1)
mask |= EPOLLIN;
+ if (smc->conn.urg_state == SMC_URG_VALID)
+ mask |= EPOLLPRI;
}
- if (smc->conn.urg_state == SMC_URG_VALID)
- mask |= EPOLLPRI;
}
return mask;
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index 83aba9ade060..52241d679cc9 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -446,14 +446,12 @@ int smc_clc_send_proposal(struct smc_sock *smc, int smc_type,
vec[i++].iov_len = sizeof(trl);
/* due to the few bytes needed for clc-handshake this cannot block */
len = kernel_sendmsg(smc->clcsock, &msg, vec, i, plen);
- if (len < sizeof(pclc)) {
- if (len >= 0) {
- reason_code = -ENETUNREACH;
- smc->sk.sk_err = -reason_code;
- } else {
- smc->sk.sk_err = smc->clcsock->sk->sk_err;
- reason_code = -smc->sk.sk_err;
- }
+ if (len < 0) {
+ smc->sk.sk_err = smc->clcsock->sk->sk_err;
+ reason_code = -smc->sk.sk_err;
+ } else if (len < (int)sizeof(pclc)) {
+ reason_code = -ENETUNREACH;
+ smc->sk.sk_err = -reason_code;
}
return reason_code;
diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c
index ac961dfb1ea1..ea2b87f29469 100644
--- a/net/smc/smc_close.c
+++ b/net/smc/smc_close.c
@@ -100,15 +100,14 @@ static void smc_close_active_abort(struct smc_sock *smc)
struct smc_cdc_conn_state_flags *txflags =
&smc->conn.local_tx_ctrl.conn_state_flags;
- 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);
+ if (sk->sk_state != SMC_INIT && smc->clcsock && smc->clcsock->sk) {
+ 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 (sk->sk_state) {
- case SMC_INIT:
- sk->sk_state = SMC_PEERABORTWAIT;
- break;
case SMC_ACTIVE:
sk->sk_state = SMC_PEERABORTWAIT;
release_sock(sk);
@@ -143,6 +142,7 @@ static void smc_close_active_abort(struct smc_sock *smc)
case SMC_PEERFINCLOSEWAIT:
sock_put(sk); /* passive closing */
break;
+ case SMC_INIT:
case SMC_PEERABORTWAIT:
case SMC_CLOSED:
break;
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index 01c6ce042a1c..7cb3e4f07c10 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -461,7 +461,7 @@ static const struct genl_ops smc_pnet_ops[] = {
};
/* SMC_PNETID family definition */
-static struct genl_family smc_pnet_nl_family = {
+static struct genl_family smc_pnet_nl_family __ro_after_init = {
.hdrsize = 0,
.name = SMCR_GENL_FAMILY_NAME,
.version = SMCR_GENL_FAMILY_VERSION,