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-rw-r--r--tools/perf/builtin-daemon.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/builtin-daemon.c b/tools/perf/builtin-daemon.c
index 83954af36753..de76bbc50bfb 100644
--- a/tools/perf/builtin-daemon.c
+++ b/tools/perf/builtin-daemon.c
@@ -523,7 +523,7 @@ static int daemon_session__control(struct daemon_session *session,
session->base, SESSION_CONTROL);
control = open(control_path, O_WRONLY|O_NONBLOCK);
- if (!control)
+ if (control < 0)
return -1;
if (do_ack) {
@@ -532,7 +532,7 @@ static int daemon_session__control(struct daemon_session *session,
session->base, SESSION_ACK);
ack = open(ack_path, O_RDONLY, O_NONBLOCK);
- if (!ack) {
+ if (ack < 0) {
close(control);
return -1;
}