From 6fa1da8ea9318af6a0252f56cd2e689616346218 Mon Sep 17 00:00:00 2001
From: Roman Zippel <zippel@linux-m68k.org>
Date: Wed, 10 Jan 2007 23:15:31 -0800
Subject: [PATCH] qconf: (re)fix SIGSEGV on empty menu items

Back out the recent fix for this bug, fix it by correctly initialising
ConfigInfoView.sym.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: "Cyrill V. Gorcunov" <gorcunov@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 scripts/kconfig/qconf.cc | 15 ++++-----------
 scripts/kconfig/qconf.h  |  2 --
 2 files changed, 4 insertions(+), 13 deletions(-)

(limited to 'scripts/kconfig')

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index a8ffc329666a..c0ae0a7ddb42 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -917,7 +917,7 @@ void ConfigView::updateListAll(void)
 }
 
 ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
-	: Parent(parent, name), menu(0)
+	: Parent(parent, name), menu(0), sym(0)
 {
 	if (name) {
 		configSettings->beginGroup(name);
@@ -925,8 +925,6 @@ ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name)
 		configSettings->endGroup();
 		connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings()));
 	}
-
-	has_dbg_info = 0;
 }
 
 void ConfigInfoView::saveSettings(void)
@@ -955,13 +953,11 @@ void ConfigInfoView::setInfo(struct menu *m)
 	if (menu == m)
 		return;
 	menu = m;
-	if (!menu) {
-		has_dbg_info = 0;
+	sym = NULL;
+	if (!menu)
 		clear();
-	} else {
-		has_dbg_info = 1;
+	else
 		menuInfo();
-       }
 }
 
 void ConfigInfoView::setSource(const QString& name)
@@ -996,9 +992,6 @@ void ConfigInfoView::symbolInfo(void)
 {
 	QString str;
 
-	if (!has_dbg_info)
-		return;
-
 	str += "<big>Symbol: <b>";
 	str += print_filter(sym->name);
 	str += "</b></big><br><br>value: ";
diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h
index a397edb5adcf..6fc1c5f14425 100644
--- a/scripts/kconfig/qconf.h
+++ b/scripts/kconfig/qconf.h
@@ -273,8 +273,6 @@ protected:
 	struct symbol *sym;
 	struct menu *menu;
 	bool _showDebug;
-
-	int has_dbg_info;
 };
 
 class ConfigSearchWindow : public QDialog {
-- 
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