251 	int do_wakeup;  in pipe_read()  local
258 	do_wakeup = 0;  in pipe_read()
301 				do_wakeup = 1;  in pipe_read()
329 		if (do_wakeup) {  in pipe_read()
338 	if (do_wakeup) {  in pipe_read()
358 	int do_wakeup = 0;  in pipe_write()  local
392 			do_wakeup = 1;  in pipe_write()
428 			do_wakeup = 1;  in pipe_write()
465 		if (do_wakeup) {  in pipe_write()
468 			do_wakeup = 0;  in pipe_write()
476 	if (do_wakeup) {  in pipe_write()