(LDLM_FL_FAILED|LDLM_FL_LOCAL_ONLY)) {
                if (lock->l_req_mode == lock->l_granted_mode &&
                    lock->l_granted_mode != LCK_NL &&
-                   NULL == data)
+                   data == NULL)
                        ldlm_lock_decref_internal(lock, lock->l_req_mode);
 
                /* Need to wake up the waiter if we were evicted */
 
        if (!(flags & (LDLM_FL_BLOCK_WAIT | LDLM_FL_BLOCK_GRANTED |
                       LDLM_FL_BLOCK_CONV))) {
-               if (NULL == data)
+               if (data == NULL)
                        /* mds granted the lock in the reply */
                        goto granted;
                /* CP AST RPC: lock get granted, wake it up */
        obd = class_exp2obd(lock->l_conn_export);
 
        /* if this is a local lock, there is no import */
-       if (NULL != obd)
+       if (obd != NULL)
                imp = obd->u.cli.cl_import;
 
-       if (NULL != imp) {
+       if (imp != NULL) {
                spin_lock(&imp->imp_lock);
                fwd.fwd_generation = imp->imp_generation;
                spin_unlock(&imp->imp_lock);