[PATCH] opensm: fix locking in osm_guid_mgr_process

[PATCH] opensm: fix locking in osm_guid_mgr_process

[Alex Netes]

osm_guid_mgr_process() should take lock when processing alias_guid_list.

Signed-off-by: Alex Netes <alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
 opensm/osm_guid_mgr.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/opensm/osm_guid_mgr.c b/opensm/osm_guid_mgr.c
index 73a32ac..42c7794 100644
--- a/opensm/osm_guid_mgr.c
+++ b/opensm/osm_guid_mgr.c
@@ -129,6 +129,7 @@ void osm_guid_mgr_process(IN osm_sm_t * sm) {
 
 	OSM_LOG(sm->p_log, OSM_LOG_DEBUG, "Processing alias guid list\n");
 
+	CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
 	while (cl_qlist_count(&sm->p_subn->alias_guid_list)) {
 		p_obj = (osm_guidinfo_work_obj_t *) cl_qlist_remove_head(&sm->p_subn->alias_guid_list);
 		guidinfo_set(&sm->p_subn->p_osm->sa, p_obj->p_port,
@@ -136,5 +137,6 @@ void osm_guid_mgr_process(IN osm_sm_t * sm) {
 		osm_guid_work_obj_delete(p_obj);
 	}
 
+	CL_PLOCK_RELEASE(sm->p_lock);
 	OSM_LOG_EXIT(sm->p_log);
 }
-- 
1.7.10.2

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