Commit bdf94057 authored Nov 05, 2021 by Ian Rogers Committed by Greg Kroah-Hartman Nov 17, 2021

perf bpf: Add missing free to bpf_event__print_bpf_prog_info()



[ Upstream commit 88c42f4d6cb249eb68524282f8d4cc32f9059984 ]

If btf__new() is called then there needs to be a corresponding btf__free().

Fixes: f8dfeae0 ("perf bpf: Show more BPF program info in print_bpf_prog_info()")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/20211106053733.3580931-2-irogers@google.com


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 23def86b

tools/perf/util/bpf-event.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -467,7 +467,7 @@ void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info,
		synthesize_bpf_prog_name(name, KSYM_NAME_LEN, info, btf, 0);
		fprintf(fp, "# bpf_prog_info %u: %s addr 0x%llx size %u\n",
		info->id, name, prog_addrs[0], prog_lens[0]);
		return;
		goto out;
		}

		fprintf(fp, "# bpf_prog_info %u:\n", info->id);
		@@ -477,4 +477,6 @@ void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info,
		fprintf(fp, "# \tsub_prog %u: %s addr 0x%llx size %u\n",
		i, name, prog_addrs[i], prog_lens[i]);
		}
		out:
		btf__free(btf);
		}