[tip:perf/core] perf ui browser: Free browser->helpline() on ui_browser__hide()

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  56ab7140325c835c8bb53cf3bca0cf7b6e967f15
Gitweb:     http://git.kernel.org/tip/56ab7140325c835c8bb53cf3bca0cf7b6e967f15
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Thu, 24 Jan 2013 22:45:21 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 25 Jan 2013 12:49:29 -0300

perf ui browser: Free browser->helpline() on ui_browser__hide()

It is allocated at ui_browser__show(), so free it in its counterpart,
ui_browser__hide().

Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-g449kvnbcpli4ceyxbe2jp1e@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/ui/browser.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index 588bcb2..809ea46 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -273,6 +273,8 @@ void ui_browser__hide(struct ui_browser *browser __maybe_unused)
 {
 	pthread_mutex_lock(&ui__lock);
 	ui_helpline__pop();
+	free(browser->helpline);
+	browser->helpline = NULL;
 	pthread_mutex_unlock(&ui__lock);
 }
 
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