Patch "perf tracepoint: Fix memory leak in is_valid_tracepoint()" has been added to the 6.1-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

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

    perf tracepoint: Fix memory leak in is_valid_tracepoint()

to the 6.1-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-tracepoint-fix-memory-leak-in-is_valid_tracepoi.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit cd955284786baf857cefc4a48e560e7bd43d929f
Author: Yang Jihong <yangjihong1@xxxxxxxxxx>
Date:   Fri Apr 21 02:59:53 2023 +0000

    perf tracepoint: Fix memory leak in is_valid_tracepoint()
    
    [ Upstream commit 9b86c49710eec7b4fbb78a0232b2dd0972a2b576 ]
    
    When is_valid_tracepoint() returns 1, need to call put_events_file() to
    free `dir_path`.
    
    Fixes: 25a7d914274de386 ("perf parse-events: Use get/put_events_file()")
    Signed-off-by: Yang Jihong <yangjihong1@xxxxxxxxxx>
    Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
    Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
    Cc: Ian Rogers <irogers@xxxxxxxxxx>
    Cc: Ingo Molnar <mingo@xxxxxxxxxx>
    Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
    Cc: Mark Rutland <mark.rutland@xxxxxxx>
    Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
    Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230421025953.173826-1-yangjihong1@xxxxxxxxxx
    Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/tools/perf/util/tracepoint.c b/tools/perf/util/tracepoint.c
index 89ef56c433110..92dd8b455b902 100644
--- a/tools/perf/util/tracepoint.c
+++ b/tools/perf/util/tracepoint.c
@@ -50,6 +50,7 @@ int is_valid_tracepoint(const char *event_string)
 				 sys_dirent->d_name, evt_dirent->d_name);
 			if (!strcmp(evt_path, event_string)) {
 				closedir(evt_dir);
+				put_events_file(dir_path);
 				closedir(sys_dir);
 				return 1;
 			}