==== //depot/user/kris/net/ufs/ufs/ufs_lookup.c#3 - /zoo/kris/net/ufs/ufs/ufs_lookup.c ====
@@ -154,6 +154,9 @@
 	int flags = cnp->cn_flags;
 	int nameiop = cnp->cn_nameiop;
 	ino_t saved_ino;
+#ifndef NO_UFS_LOOKUP_SHARED
+	struct thread *td = cnp->cn_thread;
+#endif
 
 	bp = NULL;
 	slotoffset = -1;
@@ -170,7 +173,7 @@
 	if ((vdp->v_mount->mnt_kern_flag & MNTK_LOOKUP_SHARED) &&
             (VOP_ISLOCKED(vdp, td) != LK_EXCLUSIVE)) {
                 /* Upgrade to exclusive lock, this might block */
-                VOP_LOCK(vdp, LK_UPGRADE, td);
+                VOP_LOCK(vdp, LK_UPGRADE);
         }
 #endif
 	/*