476 	int err, num_args;  in BPF_CALL_5()  local
483 	err = bpf_bprintf_prepare(fmt, fmt_size, args, num_args, &data);  in BPF_CALL_5()
484 	if (err < 0)  in BPF_CALL_5()
485 		return err;  in BPF_CALL_5()
574 	int err;  in BPF_CALL_2()  local
576 	err = get_map_perf_counter(map, flags, &value, NULL, NULL);  in BPF_CALL_2()
581 	if (err)  in BPF_CALL_2()
582 		return err;  in BPF_CALL_2()
597 	int err = -EINVAL;  in BPF_CALL_4()  local
601 	err = get_map_perf_counter(map, flags, &buf->counter, &buf->enabled,  in BPF_CALL_4()
603 	if (unlikely(err))  in BPF_CALL_4()
608 	return err;  in BPF_CALL_4()
675 	int nest_level, err;  in BPF_CALL_5()  local
682 		err = -EBUSY;  in BPF_CALL_5()
689 		err = -EINVAL;  in BPF_CALL_5()
695 	err = __bpf_perf_event_output(regs, map, flags, &raw, sd);  in BPF_CALL_5()
699 	return err;  in BPF_CALL_5()
1731 	int err = -EINVAL;  in BPF_CALL_3()  local
1735 	err = perf_event_read_local(ctx->event, &buf->counter, &buf->enabled,  in BPF_CALL_3()
1737 	if (unlikely(err))  in BPF_CALL_3()
1742 	return err;  in BPF_CALL_3()
2412 	int flags, err = 0;  in bpf_get_perf_event_info()  local
2439 		err = -EOPNOTSUPP;  in bpf_get_perf_event_info()
2442 			err = bpf_get_kprobe_info(event, fd_type, buf,  in bpf_get_perf_event_info()
2448 			err = bpf_get_uprobe_info(event, fd_type, buf,  in bpf_get_perf_event_info()
2454 	return err;  in bpf_get_perf_event_info()
2559 	int err = -ENOMEM;  in copy_user_syms()  local
2572 			err = -EFAULT;  in copy_user_syms()
2575 		err = strncpy_from_user(p, (const char __user *) usymbol, KSYM_NAME_LEN);  in copy_user_syms()
2576 		if (err == KSYM_NAME_LEN)  in copy_user_syms()
2577 			err = -E2BIG;  in copy_user_syms()
2578 		if (err < 0)  in copy_user_syms()
2581 		p += err + 1;  in copy_user_syms()
2589 	if (err) {  in copy_user_syms()
2593 	return err;  in copy_user_syms()
2637 	int err = 0, i;  in bpf_kprobe_multi_link_fill_link_info()  local
2652 		err = -ENOSPC;  in bpf_kprobe_multi_link_fill_link_info()
2677 	return err;  in bpf_kprobe_multi_link_fill_link_info()
2760 	int err;  in kprobe_multi_link_prog_run()  local
2764 		err = 0;  in kprobe_multi_link_prog_run()
2771 	err = bpf_prog_run(link->link.prog, regs);  in kprobe_multi_link_prog_run()
2778 	return err;  in kprobe_multi_link_prog_run()
2787 	int err;  in kprobe_multi_link_handler()  local
2790 	err = kprobe_multi_link_prog_run(link, get_entry_ip(fentry_ip), regs, false, data);  in kprobe_multi_link_handler()
2791 	return is_kprobe_session(link->link.prog) ? err : 0;  in kprobe_multi_link_handler()
2872 	u32 i, err = 0;  in get_modules_for_addrs()  local
2885 			err = -EINVAL;  in get_modules_for_addrs()
2887 		if (err)  in get_modules_for_addrs()
2889 		err = add_module(&arr, mod);  in get_modules_for_addrs()
2890 		if (err) {  in get_modules_for_addrs()
2897 	if (err) {  in get_modules_for_addrs()
2900 		return err;  in get_modules_for_addrs()
2929 	int err;  in bpf_kprobe_multi_link_attach()  local
2965 			err = -ENOMEM;  in bpf_kprobe_multi_link_attach()
2969 			err = -EFAULT;  in bpf_kprobe_multi_link_attach()
2976 			err = -EFAULT;  in bpf_kprobe_multi_link_attach()
2985 		err = copy_user_syms(&us, usyms, cnt);  in bpf_kprobe_multi_link_attach()
2986 		if (err)  in bpf_kprobe_multi_link_attach()
2995 		err = ftrace_lookup_symbols(us.syms, cnt, addrs);  in bpf_kprobe_multi_link_attach()
2997 		if (err)  in bpf_kprobe_multi_link_attach()
3002 		err = -EINVAL;  in bpf_kprobe_multi_link_attach()
3008 		err = -ENOMEM;  in bpf_kprobe_multi_link_attach()
3015 	err = bpf_link_prime(&link->link, &link_primer);  in bpf_kprobe_multi_link_attach()
3016 	if (err)  in bpf_kprobe_multi_link_attach()
3044 	err = get_modules_for_addrs(&link->mods, addrs, cnt);  in bpf_kprobe_multi_link_attach()
3045 	if (err < 0) {  in bpf_kprobe_multi_link_attach()
3047 		return err;  in bpf_kprobe_multi_link_attach()
3049 	link->mods_cnt = err;  in bpf_kprobe_multi_link_attach()
3051 	err = register_fprobe_ips(&link->fp, addrs, cnt);  in bpf_kprobe_multi_link_attach()
3052 	if (err) {  in bpf_kprobe_multi_link_attach()
3055 		return err;  in bpf_kprobe_multi_link_attach()
3064 	return err;  in bpf_kprobe_multi_link_attach()
3149 	int err = 0, i;  in bpf_uprobe_multi_link_fill_link_info()  local
3187 		err = -ENOSPC;  in bpf_uprobe_multi_link_fill_link_info()
3203 	return err;  in bpf_uprobe_multi_link_fill_link_info()
3305 	int err;  in bpf_uprobe_multi_link_attach()  local
3337 		err = PTR_ERR(name);  in bpf_uprobe_multi_link_attach()
3338 		return err;  in bpf_uprobe_multi_link_attach()
3341 	err = kern_path(name, LOOKUP_FOLLOW, &path);  in bpf_uprobe_multi_link_attach()
3343 	if (err)  in bpf_uprobe_multi_link_attach()
3344 		return err;  in bpf_uprobe_multi_link_attach()
3347 		err = -EBADF;  in bpf_uprobe_multi_link_attach()
3356 			err = -ESRCH;  in bpf_uprobe_multi_link_attach()
3361 	err = -ENOMEM;  in bpf_uprobe_multi_link_attach()
3371 			err = -EFAULT;  in bpf_uprobe_multi_link_attach()
3375 			err = -EINVAL;  in bpf_uprobe_multi_link_attach()
3379 			err = -EFAULT;  in bpf_uprobe_multi_link_attach()
3383 			err = -EFAULT;  in bpf_uprobe_multi_link_attach()
3413 			err = PTR_ERR(uprobes[i].uprobe);  in bpf_uprobe_multi_link_attach()
3419 	err = bpf_link_prime(&link->link, &link_primer);  in bpf_uprobe_multi_link_attach()
3420 	if (err)  in bpf_uprobe_multi_link_attach()
3435 	return err;  in bpf_uprobe_multi_link_attach()