--- src/sys/vfs/nfs/nfs_serv.c	2004/12/20 18:37:59	1.21
+++ src/sys/vfs/nfs/nfs_serv.c	2004/12/29 02:41:26	1.22
@@ -3285,8 +3285,10 @@ again:
 		error = 0;
 		goto nfsmout;
 	}
-	vput(nvp);
-	nvp = NULL;
+	if (nvp) {
+		vput(nvp);
+		nvp = NULL;
+	}
 	    
 	dirlen = len = NFSX_V3POSTOPATTR + NFSX_V3COOKIEVERF + 2 * NFSX_UNSIGNED;
 	nfsm_reply(cnt);