[PATCH v2] perf bpf: Fix memory leaks relating to BTF.

From: Ian Rogers
Date: Thu Aug 26 2021 - 14:48:44 EST


BTF needs to be freed with btf__free.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/util/annotate.c | 2 +-
tools/perf/util/bpf-event.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index d43f6b5e5169..0bae061b2d6d 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1833,7 +1833,7 @@ static int symbol__disassemble_bpf(struct symbol *sym,
ret = 0;
out:
free(prog_linfo);
- free(btf);
+ btf__free(btf);
fclose(s);
bfd_close(bfdf);
return ret;
diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c
index cdecda1ddd36..17a9844e4fbf 100644
--- a/tools/perf/util/bpf-event.c
+++ b/tools/perf/util/bpf-event.c
@@ -296,7 +296,7 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_session *session,

out:
free(info_linear);
- free(btf);
+ btf__free(btf);
return err ? -1 : 0;
}

@@ -486,7 +486,7 @@ static void perf_env__add_bpf_info(struct perf_env *env, u32 id)
perf_env__fetch_btf(env, btf_id, btf);

out:
- free(btf);
+ btf__free(btf);
close(fd);
}

--
2.33.0.259.gc128427fd7-goog