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opensm/osm_ucast_cache.c: fix crash in ucast cache when switch with lid 0 dropped

PATCH New Alex Netes 1 participant 1 message May 19, 2012 InfiniBand

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Alex Netes

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PATCH 1/3 opensm/osm_ucast_cache.c: fix crash in ucast cache when switch with lid 0 dropped

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

Signed-off-by Alex Netes <alexne-VPRAkNaXOzVWk0Htik3J/[email protected]>
---
 opensm/osm_ucast_cache.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
opensm/osm_ucast_cache.c +8 -0
index c611c38..6e46191 100644
@@ -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);
Signature · 10 lines
1.7.7.6


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-- Alex
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