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Diffstat (limited to 'net/smc/af_smc.c')
-rw-r--r--net/smc/af_smc.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 05cbcd3a6f60..cf0e11978b66 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -377,6 +377,15 @@ static void smc_link_save_peer_info(struct smc_link *link,
link->peer_mtu = clc->qp_mtu;
}
+static void smc_lgr_forget(struct smc_link_group *lgr)
+{
+ spin_lock_bh(&smc_lgr_list.lock);
+ /* do not use this link group for new connections */
+ if (!list_empty(&lgr->list))
+ list_del_init(&lgr->list);
+ spin_unlock_bh(&smc_lgr_list.lock);
+}
+
/* setup for RDMA connection of client */
static int smc_connect_rdma(struct smc_sock *smc)
{
@@ -513,6 +522,8 @@ out_connected:
return rc ? rc : local_contact;
decline_rdma_unlock:
+ if (local_contact == SMC_FIRST_CONTACT)
+ smc_lgr_forget(smc->conn.lgr);
mutex_unlock(&smc_create_lgr_pending);
smc_conn_free(&smc->conn);
decline_rdma:
@@ -526,6 +537,8 @@ decline_rdma:
goto out_connected;
out_err_unlock:
+ if (local_contact == SMC_FIRST_CONTACT)
+ smc_lgr_forget(smc->conn.lgr);
mutex_unlock(&smc_create_lgr_pending);
smc_conn_free(&smc->conn);
out_err:
@@ -906,6 +919,8 @@ enqueue:
return;
decline_rdma_unlock:
+ if (local_contact == SMC_FIRST_CONTACT)
+ smc_lgr_forget(new_smc->conn.lgr);
mutex_unlock(&smc_create_lgr_pending);
decline_rdma:
/* RDMA setup failed, switch back to TCP */
@@ -918,6 +933,8 @@ decline_rdma:
goto out_connected;
out_err_unlock:
+ if (local_contact == SMC_FIRST_CONTACT)
+ smc_lgr_forget(new_smc->conn.lgr);
mutex_unlock(&smc_create_lgr_pending);
out_err:
newsmcsk->sk_state = SMC_CLOSED;