LU-2744 build: fix 'data race condition' issues

[fs/lustre-release.git] / lnet / selftest / conrpc.c

diff --git a/lnet/selftest/conrpc.c b/lnet/selftest/conrpc.c
index 27ad326..a7729ed 100644 (file)
--- a/lnet/selftest/conrpc.c
+++ b/lnet/selftest/conrpc.c
@@ -949,8 +949,12 @@ lstcon_sesnew_stat_reply(lstcon_rpc_trans_t *trans,
                return status;
 
        if (!trans->tas_feats_updated) {
-               trans->tas_feats_updated = 1;
-               trans->tas_features = reply->msg_ses_feats;
+               spin_lock(&console_session.ses_rpc_lock);
+               if (!trans->tas_feats_updated) { /* recheck with lock */
+                       trans->tas_feats_updated = 1;
+                       trans->tas_features = reply->msg_ses_feats;
+               }
+               spin_unlock(&console_session.ses_rpc_lock);
        }
 
        if (reply->msg_ses_feats != trans->tas_features) {