From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 17 May 2016 16:05:10 +0000 (-0400)
Subject: Fix: unchecked return value in trace_clock_read64_monotonic
X-Git-Tag: v2.7.4~3
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=8ac1661784a882d23b654360c0218ce984c478b9;p=lttng-ust.git

Fix: unchecked return value in trace_clock_read64_monotonic

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/liblttng-ust/clock.h b/liblttng-ust/clock.h
index 388ed658..a7e8eb7b 100644
--- a/liblttng-ust/clock.h
+++ b/liblttng-ust/clock.h
@@ -50,7 +50,10 @@ uint64_t trace_clock_read64_monotonic(void)
 {
 	struct timespec ts;
 
-	clock_gettime(CLOCK_MONOTONIC, &ts);
+	if (caa_unlikely(clock_gettime(CLOCK_MONOTONIC, &ts))) {
+		ts.tv_sec = 0;
+		ts.tv_nsec = 0;
+	}
 	return ((uint64_t) ts.tv_sec * 1000000000ULL) + ts.tv_nsec;
 }