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Merge branch 'net-smc-fixes'

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Ursula Braun says:

====================
net/smc: fixes 2018-02-28

here are 3 smc bug fixes for the net-tree. Karsten's first patch is
the reworked version of last week's
   "[PATCH net-next 2/5] net/smc: fix structure size"
patch, now solved without using __packed, and now targetted for net
instead of net-next.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-02-28 12:30:26 -05:00
commit 7358799c3a
4 changed files with 7 additions and 4 deletions
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4
net/smc/af_smc.c
View File

@ -1406,8 +1406,10 @@ static int smc_create(struct net *net, struct socket *sock, int protocol,
smc->use_fallback = false; /* assume rdma capability first */
rc = sock_create_kern(net, PF_INET, SOCK_STREAM,
IPPROTO_TCP, &smc->clcsock);
if (rc)
if (rc) {
sk_common_release(sk);
goto out;
}
smc->sk.sk_sndbuf = max(smc->clcsock->sk->sk_sndbuf, SMC_BUF_MIN_SIZE);
smc->sk.sk_rcvbuf = max(smc->clcsock->sk->sk_rcvbuf, SMC_BUF_MIN_SIZE);

2
net/smc/smc_cdc.c
View File

@ -269,7 +269,7 @@ static void smc_cdc_rx_handler(struct ib_wc *wc, void *buf)
if (wc->byte_len < offsetof(struct smc_cdc_msg, reserved))
return; /* short message */
if (cdc->len != sizeof(*cdc))
if (cdc->len != SMC_WR_TX_SIZE)
return; /* invalid message */
smc_cdc_msg_recv(cdc, link, wc->wr_id);
}

3
net/smc/smc_core.c
View File

@ -177,6 +177,7 @@ static int smc_lgr_create(struct smc_sock *smc, __be32 peer_in_addr,
lnk = &lgr->lnk[SMC_SINGLE_LINK];
/* initialize link */
lnk->link_id = SMC_SINGLE_LINK;
lnk->smcibdev = smcibdev;
lnk->ibport = ibport;
lnk->path_mtu = smcibdev->pattr[ibport - 1].active_mtu;
@ -465,7 +466,7 @@ create:
rc = smc_link_determine_gid(conn->lgr);
}
conn->local_tx_ctrl.common.type = SMC_CDC_MSG_TYPE;
conn->local_tx_ctrl.len = sizeof(struct smc_cdc_msg);
conn->local_tx_ctrl.len = SMC_WR_TX_SIZE;
#ifndef KERNEL_HAS_ATOMIC64
spin_lock_init(&conn->acurs_lock);
#endif

2
net/smc/smc_llc.c
View File

@ -92,7 +92,7 @@ int smc_llc_send_confirm_link(struct smc_link *link, u8 mac[],
memcpy(confllc->sender_mac, mac, ETH_ALEN);
memcpy(confllc->sender_gid, gid, SMC_GID_SIZE);
hton24(confllc->sender_qp_num, link->roce_qp->qp_num);
/* confllc->link_num = SMC_SINGLE_LINK; already done by memset above */
confllc->link_num = link->link_id;
memcpy(confllc->link_uid, lgr->id, SMC_LGR_ID_SIZE);
confllc->max_links = SMC_LINKS_PER_LGR_MAX;
/* send llc message */