From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20120419210822.828308816@linuxfoundation.org> Date: Thu, 19 Apr 2012 14:09:07 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Tomoya MORINAGA , Axel Lin , Linus Walleij , Grant Likely Subject: [ 49/68] gpio: Add missing spin_lock_init in gpio-pch driver In-Reply-To: <20120419210923.GA18589@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Axel Lin commit d166370ad86b33b1111af3a0cdd7de94e03789a6 upstream. This bug was introduced by commit d568a681 "gpio-pch: add spinlock in suspend/resume processing" which adds a spinlock to struct pch_gpio but never init the spinlock. Reported-by: Tomoya MORINAGA Signed-off-by: Axel Lin Acked-by: Linus Walleij Signed-off-by: Grant Likely Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpio-pch.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpio/gpio-pch.c +++ b/drivers/gpio/gpio-pch.c @@ -392,6 +392,7 @@ static int __devinit pch_gpio_probe(stru chip->reg = chip->base; pci_set_drvdata(pdev, chip); mutex_init(&chip->lock); + spin_lock_init(&chip->spinlock); pch_gpio_setup(chip); ret = gpiochip_add(&chip->gpio); if (ret) {