Commit 88c42f4d authored by Ian Rogers's avatar Ian Rogers Committed by Arnaldo Carvalho de Melo
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perf bpf: Add missing free to bpf_event__print_bpf_prog_info() 



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: default avatarIan 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 6da2a45e

tools/perf/util/bpf-event.c

+3 −1
Original line number Diff line number Diff line
@@ -575,7 +575,7 @@ 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);
@@ -585,4 +585,6 @@ 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);

}