perf tools: Remove support for command aliases

This came from 'git', but isn't documented anywhere in
tools/perf/Documentation/, looks like baggage we can do without, ditch
it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-e7uwkn60t4hmlnwj99ba4t2s@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 7 deletions

diff --git a/tools/perf/util/help-unknown-cmd.c b/tools/perf/util/help-unknown-cmd.c
index 2821f8d77e52..34201440ac03 100644
--- a/tools/perf/util/help-unknown-cmd.c
+++ b/tools/perf/util/help-unknown-cmd.c
@@ -6,16 +6,12 @@
 #include "levenshtein.h"
 
 static int autocorrect;
-static struct cmdnames aliases;
 
 static int perf_unknown_cmd_config(const char *var, const char *value,
                                    void *cb __maybe_unused)
 {
         if (!strcmp(var, "help.autocorrect"))
                 autocorrect = perf_config_int(var,value);
-        /* Also use aliases for command lookup */
-        if (!prefixcmp(var, "alias."))
-                add_cmdname(&aliases, var + 6, strlen(var + 6));
 
         return 0;
 }
@@ -59,14 +55,12 @@ const char *help_unknown_cmd(const char *cmd)
 
         memset(&main_cmds, 0, sizeof(main_cmds));
         memset(&other_cmds, 0, sizeof(main_cmds));
-        memset(&aliases, 0, sizeof(aliases));
 
         perf_config(perf_unknown_cmd_config, NULL);
 
         load_command_list("perf-", &main_cmds, &other_cmds);
 
-        if (add_cmd_list(&main_cmds, &aliases) < 0 ||
-            add_cmd_list(&main_cmds, &other_cmds) < 0) {
+        if (add_cmd_list(&main_cmds, &other_cmds) < 0) {
                 fprintf(stderr, "ERROR: Failed to allocate command list for unknown command.\n");
                 goto end;
         }