Patch "perf help: Fix a bug during strstart() conversion" has been added to the 4.14-stable tree

This is a note to let you know that I've just added the patch titled

perf help: Fix a bug during strstart() conversion

to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
perf-help-fix-a-bug-during-strstart-conversion.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Namhyung Kim <[email protected]>
Date: Tue, 14 Nov 2017 09:15:42 +0900
Subject: perf help: Fix a bug during strstart() conversion

From: Namhyung Kim <[email protected]>

[ Upstream commit af98f2273fd0af31ce327cd1406b67c7be0b6734 ]

The commit 8e99b6d4533c changed prefixcmp() to strstart() but missed to change the return value in some place. It makes perf help print annoying output even for sane config items like below:

  $ perf help
  '.root': unsupported man viewer sub key.
  ...

---
 tools/perf/builtin-help.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

@@ -284,7 +284,7 @@ static int perf_help_config(const char *
 		add_man_viewer(value);
 		return 0;
 	}
-	if (!strstarts(var, "man."))
+	if (strstarts(var, "man."))
 		return add_man_viewer_info(var, value);
 
 	return 0;

@@ -314,7 +314,7 @@ static const char *cmd_to_page(const cha
 
 	if (!perf_cmd)
 		return "perf";
-	else if (!strstarts(perf_cmd, "perf"))
+	else if (strstarts(perf_cmd, "perf"))
 		return perf_cmd;
 
 	return asprintf(&s, "perf-%s", perf_cmd) < 0 ? NULL : s;

Patches currently in stable-queue which might be from [email protected] are

queue-4.14/perf-top-fix-window-dimensions-change-handling.patch queue-4.14/perf-annotate-do-not-truncate-instruction-names-at-6-chars.patch queue-4.14/perf-help-fix-a-bug-during-strstart-conversion.patch