629 	struct sembuf *sop;  in perform_atomic_semop_slow()  local
638 	for (sop = sops; sop < sops + nsops; sop++) {  in perform_atomic_semop_slow()
639 		int idx = array_index_nospec(sop->sem_num, sma->sem_nsems);  in perform_atomic_semop_slow()
641 		sem_op = sop->sem_op;  in perform_atomic_semop_slow()
653 		if (sop->sem_flg & SEM_UNDO) {  in perform_atomic_semop_slow()
654 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop_slow()
658 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop_slow()
664 	sop--;  in perform_atomic_semop_slow()
666 	while (sop >= sops) {  in perform_atomic_semop_slow()
667 		ipc_update_pid(&sma->sems[sop->sem_num].sempid, pid);  in perform_atomic_semop_slow()
668 		sop--;  in perform_atomic_semop_slow()
678 	q->blocking = sop;  in perform_atomic_semop_slow()
680 	if (sop->sem_flg & IPC_NOWAIT)  in perform_atomic_semop_slow()
686 	sop--;  in perform_atomic_semop_slow()
687 	while (sop >= sops) {  in perform_atomic_semop_slow()
688 		sem_op = sop->sem_op;  in perform_atomic_semop_slow()
689 		sma->sems[sop->sem_num].semval -= sem_op;  in perform_atomic_semop_slow()
690 		if (sop->sem_flg & SEM_UNDO)  in perform_atomic_semop_slow()
691 			un->semadj[sop->sem_num] += sem_op;  in perform_atomic_semop_slow()
692 		sop--;  in perform_atomic_semop_slow()
701 	struct sembuf *sop;  in perform_atomic_semop()  local
719 	for (sop = sops; sop < sops + nsops; sop++) {  in perform_atomic_semop()
720 		int idx = array_index_nospec(sop->sem_num, sma->sem_nsems);  in perform_atomic_semop()
723 		sem_op = sop->sem_op;  in perform_atomic_semop()
736 		if (sop->sem_flg & SEM_UNDO) {  in perform_atomic_semop()
737 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop()
745 	for (sop = sops; sop < sops + nsops; sop++) {  in perform_atomic_semop()
746 		curr = &sma->sems[sop->sem_num];  in perform_atomic_semop()
747 		sem_op = sop->sem_op;  in perform_atomic_semop()
750 		if (sop->sem_flg & SEM_UNDO) {  in perform_atomic_semop()
751 			int undo = un->semadj[sop->sem_num] - sem_op;  in perform_atomic_semop()
753 			un->semadj[sop->sem_num] = undo;  in perform_atomic_semop()
762 	q->blocking = sop;  in perform_atomic_semop()
763 	return sop->sem_flg & IPC_NOWAIT ? -EAGAIN : 1;  in perform_atomic_semop()
1056 	struct sembuf *sop = q->blocking;  in check_qop()  local
1069 	if (sop->sem_num != semnum)  in check_qop()
1072 	if (count_zero && sop->sem_op == 0)  in check_qop()
1074 	if (!count_zero && sop->sem_op < 0)  in check_qop()
1972 	struct sembuf *sops = fast_sops, *sop;  in do_semtimedop()  local
2007 	for (sop = sops; sop < sops + nsops; sop++) {  in do_semtimedop()
2008 		unsigned long mask = 1ULL << ((sop->sem_num) % BITS_PER_LONG);  in do_semtimedop()
2010 		if (sop->sem_num >= max)  in do_semtimedop()
2011 			max = sop->sem_num;  in do_semtimedop()
2012 		if (sop->sem_flg & SEM_UNDO)  in do_semtimedop()
2023 		if (sop->sem_op != 0) {  in do_semtimedop()