From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:37228 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754169AbbEOQ4D (ORCPT ); Fri, 15 May 2015 12:56:03 -0400 Subject: Patch "gpio: unregister gpiochip device before removing it" has been added to the 3.14-stable tree To: johan@kernel.org, gregkh@linuxfoundation.org, linus.walleij@linaro.org Cc: , From: Date: Fri, 15 May 2015 09:56:02 -0700 Message-ID: <14317089624555@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled gpio: unregister gpiochip device before removing it to the 3.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: gpio-unregister-gpiochip-device-before-removing-it.patch and it can be found in the queue-3.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 01cca93a9491ed95992523ff7e79dd9bfcdea8e0 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Mon, 12 Jan 2015 17:12:29 +0100 Subject: gpio: unregister gpiochip device before removing it From: Johan Hovold commit 01cca93a9491ed95992523ff7e79dd9bfcdea8e0 upstream. Unregister gpiochip device (used to export information through sysfs) before removing it internally. This way removal will reverse addition. Signed-off-by: Johan Hovold Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpiolib.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1265,6 +1265,8 @@ int gpiochip_remove(struct gpio_chip *ch int status = 0; unsigned id; + gpiochip_unexport(chip); + spin_lock_irqsave(&gpio_lock, flags); gpiochip_remove_pin_ranges(chip); @@ -1286,9 +1288,6 @@ int gpiochip_remove(struct gpio_chip *ch spin_unlock_irqrestore(&gpio_lock, flags); - if (status == 0) - gpiochip_unexport(chip); - return status; } EXPORT_SYMBOL_GPL(gpiochip_remove); Patches currently in stable-queue which might be from johan@kernel.org are queue-3.14/gpio-unregister-gpiochip-device-before-removing-it.patch queue-3.14/gpio-sysfs-fix-memory-leaks-and-device-hotplug.patch