fix:typo and release long_opts to avoid small memory leaks

src/nettrace.c

@@ -105,7 +105,7 @@ static void do_parse_args(int argc, char *argv[])
 		{
 			.lname = "min-latency", .dest = &trace_args->min_latency,
 			.type = OPTION_U32,
-			.desc = "filter by the minial time to live of the skb in us",
+			.desc = "filter by the minimal time to live of the skb in us",
 		},
 		{
 			.lname = "pkt-len", .dest = &trace_args->pkt_len,

src/trace.c

@@ -756,7 +756,7 @@ int trace_prepare()
 		goto err;
 	}
 	if (!kernel_has_config("DEBUG_INFO_BTF_MODULES")) {
-		pr_warn("DEBUG_INFO_BTF_MODULES not enabled, some infomation, "
+		pr_warn("DEBUG_INFO_BTF_MODULES not enabled, some information, "
 			"such as nf_tables, maybe incorrect\n");
 	}
 #else

utils/arg_parse.c

@@ -194,6 +194,7 @@ int parse_args(int argc, char *argv[], arg_config_t *config,
 	free(long_opts);
 	return 0;
 err:
+	free(long_opts);
 	return -EINVAL;
 help:
 	printf("%s: %s\n", config->name, config->summary);