linux-kernel - [PATCH 1/6] kconfig: qconf: clean deprecated warnings

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Date:   Thu,  2 Apr 2020 11:27:58 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        linux-kbuild@...r.kernel.org
Subject: [PATCH 1/6] kconfig: qconf: clean deprecated warnings

The recommended way to initialize a null string is with
QString(). This is there at least since Qt5.5, with is
when qconf was ported to Qt5.

Fix those warnings:

	scripts/kconfig/qconf.cc: In member function ‘void ConfigItem::updateMenu()’:
	scripts/kconfig/qconf.cc:158:31: warning: ‘QString::null’ is deprecated: use QString() [-Wdeprecated-declarations]
	  158 |    setText(noColIdx, QString::null);
	      |                               ^~~~
	In file included from /usr/include/qt5/QtCore/qobject.h:47,
	                 from /usr/include/qt5/QtWidgets/qwidget.h:45,
	                 from /usr/include/qt5/QtWidgets/qmainwindow.h:44,
	                 from /usr/include/qt5/QtWidgets/QMainWindow:1,
	                 from scripts/kconfig/qconf.cc:9:

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 scripts/kconfig/qconf.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 82773cc35d35..daa3325c0a49 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -154,9 +154,9 @@ void ConfigItem::updateMenu(void)
 
 		if (!sym_is_changeable(sym) && list->optMode == normalOpt) {
 			setPixmap(promptColIdx, QIcon());
-			setText(noColIdx, QString::null);
-			setText(modColIdx, QString::null);
-			setText(yesColIdx, QString::null);
+			setText(noColIdx, QString());
+			setText(modColIdx, QString());
+			setText(yesColIdx, QString());
 			break;
 		}
 		expr = sym_get_tristate_value(sym);
@@ -276,7 +276,7 @@ void ConfigLineEdit::show(ConfigItem* i)
 	if (sym_get_string_value(item->menu->sym))
 		setText(QString::fromLocal8Bit(sym_get_string_value(item->menu->sym)));
 	else
-		setText(QString::null);
+		setText(QString());
 	Parent::show();
 	setFocus();
 }
-- 
2.25.1