Fix: unchecked return value in trace_clock_read64_monotonic

Found by Coverity:

CID 1311498 (#1 of 1): Unchecked return value (CHECKED_RETURN)1.
check_return: Calling clock_gettime without checking return value (as is
done elsewhere 8 out of 9 times).

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/src/bin/lttng-sessiond/ust-clock.h b/src/bin/lttng-sessiond/ust-clock.h
index 7d9c99a66a19c3b55209b86fa91d97f062dcf5bf..9819220d50b641b735c613027354b2541f4168fe 100644 (file)
--- a/src/bin/lttng-sessiond/ust-clock.h
+++ b/src/bin/lttng-sessiond/ust-clock.h
@@ -43,7 +43,12 @@ uint64_t trace_clock_read64(void)
 {
        struct timespec ts;
 
-       clock_gettime(CLOCK_MONOTONIC, &ts);
+       if (clock_gettime(CLOCK_MONOTONIC, &ts)) {
+               /* TODO Report error cleanly up the chain. */
+               PERROR("clock_gettime CLOCK_MONOTONIC");
+               ts.tv_sec = 0;
+               ts.tv_nsec = 0;
+       }
        return ((uint64_t) ts.tv_sec * 1000000000ULL) + ts.tv_nsec;
 }