linux-kernel - Re: [PATCH] xconfig: merge code path to conf

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Date:	Wed, 25 May 2011 15:18:54 +0200
From:	Michal Marek <mmarek@...e.cz>
To:	Arnaud Lacombe <lacombar@...il.com>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	Hiromu Yakura <hiromu1996@...il.com>
Subject: Re: [PATCH] xconfig: merge code path to conf_write()

On Tue, May 24, 2011 at 02:16:18PM -0400, Arnaud Lacombe wrote:
> Avoid to have multiple path saving the config. This fixes an error check miss
> when the window is being closed and the user requested the config to be written.
> 
> Reported-by: Hiromu Yakura <hiromu1996@...il.com>
> Pointed-out-by: Michal Marek <mmarek@...e.cz>
> Signed-off-by: Arnaud Lacombe <lacombar@...il.com>
> ---
>  scripts/kconfig/qconf.cc |    5 ++---
>  1 files changed, 2 insertions(+), 3 deletions(-)

Applied, thanks.

The following patch avoids the data loss if the configuration cannot be
saved.

Michal

Subject: [PATCH] xconfig: Abort close if configuration cannot be saved

Give the user an opportunity to fix the error or save the configuration
under a different path.

Reported-by: Hiromu Yakura <hiromu1996@...il.com>
Signed-off-by: Michal Marek <mmarek@...e.cz>

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index c2796b8..92bf576 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -1478,10 +1478,13 @@ void ConfigMainWindow::loadConfig(void)
 	ConfigView::updateListAll();
 }
 
-void ConfigMainWindow::saveConfig(void)
+bool ConfigMainWindow::saveConfig(void)
 {
-	if (conf_write(NULL))
+	if (conf_write(NULL)) {
 		QMessageBox::information(this, "qconf", _("Unable to save configuration!"));
+		return false;
+	}
+	return true;
 }
 
 void ConfigMainWindow::saveConfigAs(void)
@@ -1642,7 +1645,11 @@ void ConfigMainWindow::closeEvent(QCloseEvent* e)
 	mb.setButtonText(QMessageBox::Cancel, _("Cancel Exit"));
 	switch (mb.exec()) {
 	case QMessageBox::Yes:
-		saveConfig();
+		if (saveConfig())
+			e->accept();
+		else
+			e->ignore();
+		break;
 	case QMessageBox::No:
 		e->accept();
 		break;
diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h
index 91677d9..3715b3e 100644
--- a/scripts/kconfig/qconf.h
+++ b/scripts/kconfig/qconf.h
@@ -311,7 +311,7 @@ public slots:
 	void listFocusChanged(void);
 	void goBack(void);
 	void loadConfig(void);
-	void saveConfig(void);
+	bool saveConfig(void);
 	void saveConfigAs(void);
 	void searchConfig(void);
 	void showSingleView(void);
--
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