From f18dc8428d6a582a88f3e423a80a3a9d02405141 Mon Sep 17 00:00:00 2001 From: Ken Sato Date: Wed, 15 Nov 2017 12:49:56 +0900 Subject: [PATCH] fix: error code of perf_event_open, when unsupported event is specified. refs #1030 --- kernel/syscall.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/syscall.c b/kernel/syscall.c index 3e0bc565..9c73be69 100644 --- a/kernel/syscall.c +++ b/kernel/syscall.c @@ -3884,7 +3884,7 @@ SYSCALL_DECLARE(perf_event_open) } if (not_supported_flag) { - return -1; + return -ENOENT; } event = mc_perf_event_alloc((struct perf_event_attr*)attr);