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-rw-r--r--tools/perf/builtin-probe.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 8bb124e55c6d..3d0ffd41fb55 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -19,7 +19,6 @@
#include "perf.h"
#include "builtin.h"
#include "namespaces.h"
-#include "util/util.h"
#include "util/strlist.h"
#include "util/strfilter.h"
#include "util/symbol.h"
@@ -28,6 +27,7 @@
#include "util/probe-finder.h"
#include "util/probe-event.h"
#include "util/probe-file.h"
+#include <linux/zalloc.h>
#define DEFAULT_VAR_FILTER "!__k???tab_* & !__crc_*"
#define DEFAULT_FUNC_FILTER "!_*"
@@ -698,6 +698,16 @@ __cmd_probe(int argc, const char **argv)
ret = perf_add_probe_events(params.events, params.nevents);
if (ret < 0) {
+
+ /*
+ * When perf_add_probe_events() fails it calls
+ * cleanup_perf_probe_events(pevs, npevs), i.e.
+ * cleanup_perf_probe_events(params.events, params.nevents), which
+ * will call clear_perf_probe_event(), so set nevents to zero
+ * to avoid cleanup_params() to call clear_perf_probe_event() again
+ * on the same pevs.
+ */
+ params.nevents = 0;
pr_err_with_code(" Error: Failed to add events.", ret);
return ret;
}