[PATCH] Fix usage of open()
From: Jian Wen <hidden>
Date: 2021-11-09 08:01:02
Also in:
lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
O_NONBLOCK is a flag instead of a file mode bit.
Fixes: edcaa47958c7 ("perf daemon: Add 'ping' command")
Signed-off-by: Jian Wen <redacted>
---
tools/perf/builtin-daemon.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/builtin-daemon.c b/tools/perf/builtin-daemon.c
index 6cb3f6cc36d0..37d6fcdbb63d 100644
--- a/tools/perf/builtin-daemon.c
+++ b/tools/perf/builtin-daemon.c@@ -531,7 +531,7 @@ static int daemon_session__control(struct daemon_session *session, scnprintf(ack_path, sizeof(ack_path), "%s/%s", session->base, SESSION_ACK); - ack = open(ack_path, O_RDONLY, O_NONBLOCK); + ack = open(ack_path, O_RDONLY|O_NONBLOCK); if (!ack) { close(control); return -1;
--
2.25.1