When failure occures in add_probe_trace_event(), tev->args is
incomplete. Since information in tev may be used in further, this patch
frees the allocated memory and set it to NULL to avoid dangling
pointer.
Signed-off-by: Wang Nan <wangn...@huawei.com>
---
tools/perf/util/probe-finder.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 2da65a7..f533d19 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -1243,6 +1243,10 @@ static int add_probe_trace_event(Dwarf_Die *sc_die,
struct probe_finder *pf)
end:
free(args);
+ if (ret) {
+ tev->nargs = 0;
+ zfree(&tev->args);
+ }
return ret;
}
--
1.8.3.4
--
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