perf tools: Use list_del_init() more thorougly

To allow for destructors to check if they're operating on a object still
in a list, and to avoid going from use after free list entries into
still valid, or even also other already removed from list entries.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-deh17ub44atyox3j90e6rksu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/bpf-loader.c

@@ -829,7 +829,7 @@ static void
 bpf_map_op__delete(struct bpf_map_op *op)
 {
 	if (!list_empty(&op->list))
-		list_del(&op->list);
+		list_del_init(&op->list);
 	if (op->key_type == BPF_MAP_KEY_RANGES)
 		parse_events__clear_array(&op->k.array);
 	free(op);