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-rw-r--r--tools/perf/util/probe-event.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index a4ee6b4a840..579b655c0f9 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -72,6 +72,7 @@ static int e_snprintf(char *str, size_t size, const char *format, ...)
static char *synthesize_perf_probe_point(struct perf_probe_point *pp);
static int convert_name_to_addr(struct perf_probe_event *pev,
const char *exec);
+static void clear_probe_trace_event(struct probe_trace_event *tev);
static struct machine machine;
/* Initialize symbol maps and path of vmlinux/modules */
@@ -407,6 +408,14 @@ static int add_module_to_probe_trace_events(struct probe_trace_event *tevs,
return ret;
}
+static void clear_probe_trace_events(struct probe_trace_event *tevs, int ntevs)
+{
+ int i;
+
+ for (i = 0; i < ntevs; i++)
+ clear_probe_trace_event(tevs + i);
+}
+
/* Try to find perf_probe_event with debuginfo */
static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
struct probe_trace_event **tevs,
@@ -442,6 +451,10 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
ret = add_module_to_probe_trace_events(*tevs,
ntevs, target);
}
+ if (ret < 0) {
+ clear_probe_trace_events(*tevs, ntevs);
+ zfree(tevs);
+ }
return ret < 0 ? ret : ntevs;
}