linux/kernel/signal.c

4661 	struct k_sigaction new_ka, old_ka;
4674 		new_ka.sa.sa_handler = compat_ptr(handler);
4677 		new_ka.sa.sa_restorer = compat_ptr(restorer);
4679 		ret |= get_compat_sigset(&new_ka.sa.sa_mask, &act->sa_mask);
4680 		ret |= get_user(new_ka.sa.sa_flags, &act->sa_flags);
4685 	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
4707 	struct k_sigaction new_ka, old_ka;
4713 		    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
4714 		    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
4715 		    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
4719 		new_ka.ka_restorer = NULL;
4721 		siginitset(&new_ka.sa.sa_mask, mask);
4724 	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
4743 	struct k_sigaction new_ka, old_ka;
4752 		    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
4757 		new_ka.ka_restorer = NULL;
4759 		new_ka.sa.sa_handler = compat_ptr(handler);
4760 		new_ka.sa.sa_restorer = compat_ptr(restorer);
4761 		siginitset(&new_ka.sa.sa_mask, mask);
4764 	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);