Fix 'help [-a] command ...' command.

diff --git a/avr/command.c b/avr/command.c
index b579a5e7cba07fb00d1049e03e6fe93e832782eb..ff527575f33dc67c7b203c3e907ceb53d5a7fedb 100644 (file)
--- a/avr/command.c
+++ b/avr/command.c
@@ -380,11 +380,20 @@ command_ret_t do_help(cmd_tbl_t *cmdtp, uint_fast8_t flag UNUSED, int argc, char
                /* command help (long version) */
                for (uint_fast8_t argi = 0; argi < argc; ++argi) {
                        uint_fast8_t got = 0;
-
-                       for (uint_fast8_t cmdi = 0; cmdi < cmd_items; cmdi++) {
-                               if (strcmp_P(argv[argi], cmd_list[cmdi]->name) == 0) {
-                                       cmd_usage(cmd_list[cmdi]);
-                                       got = 1;
+                       cmd_tbl_t *tp = find_cmd(argv[argi], tbl_start);
+                       if (tp) {
+                               cmd_usage(tp);
+                               got = 1;
+                       }
+                       if (options & OPT_ALL) {
+                               for (cmd_tbl_t *sub = tbl_start; sub->name != NULL; sub++) {
+                                       if (sub->subcmd) {
+                                               tp = find_cmd(argv[argi], sub->subcmd);
+                                               if (tp) {
+                                                       cmd_usage(tp);
+                                                       got = 1;
+                                               }
+                                       }
                                }
                        }
                        if (!got) {