135 #define I596_NULL ((u32)0xffffffff)  macro
522 		rfd->rbd = I596_NULL;  in init_rx_bufs()
568 		dma->rfds[i].rbd = I596_NULL;  in rebuild_rx_bufs()
601 	dma->scb.cmd = I596_NULL;  in init_i596_mem()
691 		if (rfd->rbd == I596_NULL)  in i596_rx()
800 		rfd->rbd = I596_NULL;  in i596_rx()
849 				ptr->b_next = I596_NULL;  in i596_cleanup_cmd()
855 			ptr->b_next = I596_NULL;  in i596_cleanup_cmd()
861 	lp->dma->scb.cmd = I596_NULL;  in i596_cleanup_cmd()
907 	cmd->b_next = I596_NULL;  in i596_add_cmd()
1029 		tbd->next = I596_NULL;  in i596_start_xmit()
1097 	lp->dma->scb.cmd = I596_NULL;  in i82596_probe()
1098 	lp->dma->scb.rfd = I596_NULL;  in i82596_probe()
1252 			ptr->b_next = I596_NULL;  in i596_interrupt()