This patch adds a sanity check of is_timestamp_in_us() input
parameter trace_clock. It avoids a potential segfailt in this
function in case trace_clock is NULL.
Signed-off-by: Tzvetomir Stoyanov <tstoyanov@xxxxxxxxxx>
---
tools/lib/traceevent/event-parse.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 854b68ef2e4e..12449c308853 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -5454,7 +5454,7 @@ void tep_event_info(struct trace_seq *s, struct tep_event *event,
static bool is_timestamp_in_us(char *trace_clock, bool use_trace_clock)
{
- if (!use_trace_clock)
+ if (!trace_clock || !use_trace_clock)
return true;
if (!strcmp(trace_clock, "local") || !strcmp(trace_clock, "global")
--
2.19.1
|