perf bpf_counter: Fix a few memory leaks

Memory leaks were detected by clang-tidy.
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: llvm@lists.linux.dev
Cc: Ming Wang <wangming01@loongson.cn>
Cc: Tom Rix <trix@redhat.com>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20231009183920.200859-20-irogers@google.comSigned-off-by: Namhyung Kim <namhyung@kernel.org>

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;
 		}