[PATCH v2 18/18] perf bpf_counter: Fix a few memory leaks

From: Ian Rogers
Date: Thu Oct 05 2023 - 19:12:42 EST


Memory leaks were detected by clang-tidy.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/util/bpf_counter.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/bpf_counter.c b/tools/perf/util/bpf_counter.c
index 6732cbbcf9b3..7f9b0e46e008 100644
--- a/tools/perf/util/bpf_counter.c
+++ b/tools/perf/util/bpf_counter.c
@@ -104,7 +104,7 @@ static int bpf_program_profiler_load_one(struct evsel *evsel, u32 prog_id)
struct bpf_prog_profiler_bpf *skel;
struct bpf_counter *counter;
struct bpf_program *prog;
- char *prog_name;
+ char *prog_name = NULL;
int prog_fd;
int err;

@@ -155,10 +155,12 @@ static int bpf_program_profiler_load_one(struct evsel *evsel, u32 prog_id)
assert(skel != NULL);
counter->skel = skel;
list_add(&counter->list, &evsel->bpf_counter_list);
+ free(prog_name);
close(prog_fd);
return 0;
err_out:
bpf_prog_profiler_bpf__destroy(skel);
+ free(prog_name);
free(counter);
close(prog_fd);
return -1;
@@ -180,6 +182,7 @@ static int bpf_program_profiler__load(struct evsel *evsel, struct target *target
(*p != '\0' && *p != ',')) {
pr_err("Failed to parse bpf prog ids %s\n",
target->bpf_str);
+ free(bpf_str_);
return -1;
}

--
2.42.0.609.gbb76f46606-goog