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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Willy Tarreau <willy@haproxy.com>,
	Ksenija Stanojevic <ksenija.stanojevic@gmail.com>,
	Arnd Bergmann <arnd@arndb.de>
Cc: linux-kernel@vger.kernel.org, Geert Uytterhoeven <geert@linux-m68k.org>
Subject: [PATCH 06/13] misc: panel: Remove always-true check from panel_detach()
Date: Mon,  6 Feb 2017 15:38:08 +0100	[thread overview]
Message-ID: <1486391895-9554-7-git-send-email-geert@linux-m68k.org> (raw)
In-Reply-To: <1486391895-9554-1-git-send-email-geert@linux-m68k.org>

panel_detach() already verified that pptr is a valid pointer.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 drivers/misc/panel.c | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

diff --git a/drivers/misc/panel.c b/drivers/misc/panel.c
index 8af500ecaaaf6634..ed19b3e399b08d1f 100644
--- a/drivers/misc/panel.c
+++ b/drivers/misc/panel.c
@@ -2266,24 +2266,22 @@ static void panel_detach(struct parport *port)
 	if (scan_timer.function)
 		del_timer_sync(&scan_timer);
 
-	if (pprt) {
-		if (keypad.enabled) {
-			misc_deregister(&keypad_dev);
-			keypad_initialized = 0;
-		}
-
-		if (lcd.enabled) {
-			panel_lcd_print("\x0cLCD driver unloaded.\x1b[Lc\x1b[Lb\x1b[L-");
-			misc_deregister(&lcd_dev);
-			lcd.initialized = false;
-		}
+	if (keypad.enabled) {
+		misc_deregister(&keypad_dev);
+		keypad_initialized = 0;
+	}
 
-		/* TODO: free all input signals */
-		parport_release(pprt);
-		parport_unregister_device(pprt);
-		pprt = NULL;
-		unregister_reboot_notifier(&panel_notifier);
+	if (lcd.enabled) {
+		panel_lcd_print("\x0cLCD driver unloaded.\x1b[Lc\x1b[Lb\x1b[L-");
+		misc_deregister(&lcd_dev);
+		lcd.initialized = false;
 	}
+
+	/* TODO: free all input signals */
+	parport_release(pprt);
+	parport_unregister_device(pprt);
+	pprt = NULL;
+	unregister_reboot_notifier(&panel_notifier);
 }
 
 static struct parport_driver panel_driver = {
-- 
1.9.1

  parent reply	other threads:[~2017-02-06 14:41 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-06 14:38 [PATCH 00/13] Add HD44780 Character LCD support Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 01/13] misc: panel: Fix LCD_FLAG_F/LCD_FLAG_N exchange Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 02/13] misc: panel: Remove PANEL_VERSION Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 03/13] misc: panel: Remove unused LCD_FLAG_S and LCD_FLAG_ID Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 04/13] misc: panel: Remove reference to misc device support Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 05/13] misc: panel: Move all suboptions into a big if section Geert Uytterhoeven
2017-02-06 14:38 ` Geert Uytterhoeven [this message]
2017-02-06 14:38 ` [PATCH 07/13] misc: panel: Add lcd_home() helper Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 08/13] misc: panel: Abstract temporary backlight handling Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 09/13] auxdisplay: charlcd: Extract character LCD core from misc/panel Geert Uytterhoeven
2017-02-06 15:09   ` Arnd Bergmann
2017-02-06 15:18     ` Geert Uytterhoeven
2017-02-08 12:22   ` Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 10/13] auxdisplay: charlcd: Add support for 4-bit interfaces Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 11/13] auxdisplay: charlcd: Add support for displays with more than two lines Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 12/13] dt-bindings: auxdisplay: Add bindings for Hitachi HD44780 Geert Uytterhoeven
2017-02-09  1:11   ` Rob Herring
2017-02-09  8:51     ` Geert Uytterhoeven
2017-02-06 14:38 ` [PATCH 13/13] auxdisplay: Add HD44780 Character LCD support Geert Uytterhoeven
2017-02-07 11:23   ` Andy Shevchenko
2017-02-08 13:18     ` Geert Uytterhoeven
2017-02-08 13:38       ` Andy Shevchenko
2017-02-08 13:41         ` Geert Uytterhoeven
2017-02-08 16:27           ` Andy Shevchenko
2017-02-08 17:19             ` Geert Uytterhoeven
2017-02-06 15:09 ` [PATCH 00/13] " Willy TARREAU
2017-02-10 14:37 ` Greg Kroah-Hartman
2017-03-16 20:50 ` Linus Walleij
2017-03-17  7:40   ` Geert Uytterhoeven
2017-03-23 17:15 ` Willy TARREAU
2017-03-23 17:37   ` Willy TARREAU
2017-03-23 18:49     ` Geert Uytterhoeven
2017-03-23 19:03       ` Willy TARREAU
2017-03-23 20:29         ` Geert Uytterhoeven

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