X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fobdclass%2Flprocfs_status.c;h=9956ada9cbba9417a29ce09026c565fd40ec8f9d;hp=29604ff08faad46b8461518df1d80641838bfb19;hb=07cb2208239a83e49bd79083c236db8ab78fea05;hpb=681101c0a1eceed0caa6fc5b7e748ba868e436cf

diff --git a/lustre/obdclass/lprocfs_status.c b/lustre/obdclass/lprocfs_status.c
index 29604ff..9956ada 100644
--- a/lustre/obdclass/lprocfs_status.c
+++ b/lustre/obdclass/lprocfs_status.c
@@ -2848,7 +2848,13 @@ int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
 	/* Return -EALREADY here so that we know that the /proc
 	 * entry already has been created */
 	if (old_stat != new_stat) {
-		nidstat_putref(old_stat);
+		spin_lock(&exp->exp_lock);
+		if (exp->exp_nid_stats) {
+			LASSERT(exp->exp_nid_stats == old_stat);
+			nidstat_putref(exp->exp_nid_stats);
+		}
+		exp->exp_nid_stats = old_stat;
+		spin_unlock(&exp->exp_lock);
 		GOTO(destroy_new, rc = -EALREADY);
 	}
         /* not found - create */