[PATCH net-next 3/6] net/smc: terminate link group for ib_post_send problems

[Ursula Braun]

If ib_post_send() fails, terminate all connections of this
link group.

Signed-off-by: Ursula Braun <ubr...@linux.vnet.ibm.com>
---
 net/smc/smc_tx.c | 4 +++-
 net/smc/smc_wr.c | 8 +++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index fea6482233a6..71b7d9f079f0 100644
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -248,8 +248,10 @@ static int smc_tx_rdma_write(struct smc_connection *conn, 
int peer_rmbe_offset,
                peer_rmbe_offset;
        rdma_wr.rkey = lgr->rtokens[conn->rtoken_idx][SMC_SINGLE_LINK].rkey;
        rc = ib_post_send(link->roce_qp, &rdma_wr.wr, &failed_wr);
-       if (rc)
+       if (rc) {
                conn->local_tx_ctrl.conn_state_flags.peer_conn_abort = 1;
+               smc_lgr_terminate(lgr);
+       }
        return rc;
 }
 
diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c
index 5ed94109d1d6..621c65850a18 100644
--- a/net/smc/smc_wr.c
+++ b/net/smc/smc_wr.c
@@ -248,8 +248,14 @@ int smc_wr_tx_send(struct smc_link *link, struct 
smc_wr_tx_pend_priv *priv)
        pend = container_of(priv, struct smc_wr_tx_pend, priv);
        rc = ib_post_send(link->roce_qp, &link->wr_tx_ibs[pend->idx],
                          &failed_wr);
-       if (rc)
+       if (rc) {
+               struct smc_link_group *lgr =
+                       container_of(link, struct smc_link_group,
+                                    lnk[SMC_SINGLE_LINK]);
+
                smc_wr_tx_put_slot(link, priv);
+               smc_lgr_terminate(lgr);
+       }
        return rc;
 }
 
-- 
2.13.5