Fix potential seg fault when NULL is returned
Signed-off-by: Yevgeny Kliteynik <klit...@dev.mellanox.co.il>
---
opensm/opensm/osm_ucast_cache.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/opensm/opensm/osm_ucast_cache.c b/opensm/opensm/osm_ucast_cache.c
index c611c38..be15508 100644
--- a/opensm/opensm/osm_ucast_cache.c
+++ b/opensm/opensm/osm_ucast_cache.c
@@ -931,6 +931,14 @@ void osm_ucast_cache_add_node(osm_ucast_mgr_t * p_mgr,
osm_node_t * p_node)
p_cache_sw = cache_get_sw(p_mgr, lid_ho);
CL_ASSERT(p_cache_sw);
+ if (!p_cache_sw) {
+ /* something is wrong - forget about cache */
+ OSM_LOG(p_mgr->p_log, OSM_LOG_ERROR,
+ "ERR AD04: no cached switch with lid %u - "
+ "clearing cache\n", lid_ho);
+ osm_ucast_cache_invalidate(p_mgr);
+ goto Exit;
+ }
if (!cache_sw_is_leaf(p_cache_sw)) {
OSM_LOG(p_mgr->p_log, OSM_LOG_DEBUG,
--
1.6.2.4
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
