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-rw-r--r--net/rds/connection.c35
1 files changed, 29 insertions, 6 deletions
diff --git a/net/rds/connection.c b/net/rds/connection.c
index ed7f2133acc2..b4cc699c5fad 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -240,12 +240,24 @@ static struct rds_connection *__rds_conn_create(struct net *net,
if (loop_trans) {
rds_trans_put(loop_trans);
conn->c_loopback = 1;
- if (is_outgoing && trans->t_prefer_loopback) {
- /* "outgoing" connection - and the transport
- * says it wants the connection handled by the
- * loopback transport. This is what TCP does.
- */
- trans = &rds_loop_transport;
+ if (trans->t_prefer_loopback) {
+ if (likely(is_outgoing)) {
+ /* "outgoing" connection to local address.
+ * Protocol says it wants the connection
+ * handled by the loopback transport.
+ * This is what TCP does.
+ */
+ trans = &rds_loop_transport;
+ } else {
+ /* No transport currently in use
+ * should end up here, but if it
+ * does, reset/destroy the connection.
+ */
+ kfree(conn->c_path);
+ kmem_cache_free(rds_conn_slab, conn);
+ conn = ERR_PTR(-EOPNOTSUPP);
+ goto out;
+ }
}
}
@@ -905,6 +917,17 @@ void rds_conn_path_connect_if_down(struct rds_conn_path *cp)
}
EXPORT_SYMBOL_GPL(rds_conn_path_connect_if_down);
+/* Check connectivity of all paths
+ */
+void rds_check_all_paths(struct rds_connection *conn)
+{
+ int i = 0;
+
+ do {
+ rds_conn_path_connect_if_down(&conn->c_path[i]);
+ } while (++i < conn->c_npaths);
+}
+
void rds_conn_connect_if_down(struct rds_connection *conn)
{
WARN_ON(conn->c_trans->t_mp_capable);