From 62e3436b5f3461662929eae102beefbd12127cb1 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Wed, 26 May 2010 13:22:26 -0300
Subject: perf tui: Reset use_browser if stdout is not a tty
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The newt initialization routines weren't being called because the output
was a file (perf annotate > /tmp/bla) but use_browser was still 1,
because ~/.perfconfig had it as 'on', so, later on newt routines
segfaulted.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-annotate.c | 2 +-
 tools/perf/util/newt.c        | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 08278eda31a..96db5248e99 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -343,7 +343,7 @@ find_next:
 			continue;
 		}
 
-		if (use_browser) {
+		if (use_browser > 0) {
 			key = hist_entry__tui_annotate(he);
 			if (is_exit_key(key))
 				break;
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index d54c540f49d..cf182ca132f 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -1139,6 +1139,7 @@ void setup_browser(void)
 	struct newtPercentTreeColors *c = &defaultPercentTreeColors;
 
 	if (!isatty(1) || !use_browser || dump_trace) {
+		use_browser = 0;
 		setup_pager();
 		return;
 	}
-- 
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