[infiniband-diags,2/2] check for duplicate port guids in libibnetdisc cache

Commit Message

Al Chu April 14, 2010, 10:48 p.m. UTC

None

Patch

diff --git a/infiniband-diags/libibnetdisc/src/ibnetdisc_cache.c b/infiniband-diags/libibnetdisc/src/ibnetdisc_cache.c
index 2ec353d..a02fcba 100644
--- a/infiniband-diags/libibnetdisc/src/ibnetdisc_cache.c
+++ b/infiniband-diags/libibnetdisc/src/ibnetdisc_cache.c
@@ -505,6 +505,11 @@  static int _fill_port(ibnd_fabric_cache_t * fabric_cache, ibnd_node_t * node,
 		return -1;
 	}
 
+	if (port_cache->port_stored_to_fabric) {
+		IBND_DEBUG("Cache invalid: duplicate port discovered\n");
+		return -1;
+	}
+
 	node->ports[port_cache->port->portnum] = port_cache->port;
 	port_cache->port_stored_to_fabric++;