SM crashes when newly discovered switch, dropped during the discovery loop 
before it gets lid assignment.

Signed-off-by: Alex Netes <[email protected]>
---
 opensm/osm_ucast_cache.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/opensm/osm_ucast_cache.c b/opensm/osm_ucast_cache.c
index c611c38..6e46191 100644
--- a/opensm/osm_ucast_cache.c
+++ b/opensm/osm_ucast_cache.c
@@ -897,6 +897,14 @@ void osm_ucast_cache_add_node(osm_ucast_mgr_t * p_mgr, 
osm_node_t * p_node)
 
                lid_ho = cl_ntoh16(osm_node_get_base_lid(p_node, 0));
 
+               if (!lid_ho) {
+                       OSM_LOG(p_mgr->p_log, OSM_LOG_VERBOSE,
+                               "Skip caching. Switch dropped before "
+                               "it gets a valid lid.\n");
+                       osm_ucast_cache_invalidate(p_mgr);
+                       goto Exit;
+               }
+
                OSM_LOG(p_mgr->p_log, OSM_LOG_DEBUG,
                        "Caching dropped switch lid %u\n", lid_ho);
 
-- 
1.7.7.6


-- 

-- Alex
--
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