From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:50331 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756165AbcBXDoT (ORCPT ); Tue, 23 Feb 2016 22:44:19 -0500 Subject: Patch "iio: inkern: fix a NULL dereference on error" has been added to the 4.4-stable tree To: dan.carpenter@oracle.com, gregkh@linuxfoundation.org, jic23@kernel.org Cc: , From: Date: Tue, 23 Feb 2016 19:24:25 -0800 Message-ID: <14562842654487@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 iio: inkern: fix a NULL dereference on error to the 4.4-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: iio-inkern-fix-a-null-dereference-on-error.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From d81dac3c1c5295c61b15293074ac2bd3254e1875 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 26 Jan 2016 12:25:21 +0300 Subject: iio: inkern: fix a NULL dereference on error From: Dan Carpenter commit d81dac3c1c5295c61b15293074ac2bd3254e1875 upstream. In twl4030_bci_probe() there are some failure paths where we call iio_channel_release() with a NULL pointer. (Apparently, that driver can opperate without a valid channel pointer). Let's fix it by adding a NULL check in iio_channel_release(). Fixes: 2202e1fc5a29 ('drivers: power: twl4030_charger: fix link problems when building as module') Signed-off-by: Dan Carpenter Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/inkern.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -351,6 +351,8 @@ EXPORT_SYMBOL_GPL(iio_channel_get); void iio_channel_release(struct iio_channel *channel) { + if (!channel) + return; iio_device_put(channel->indio_dev); kfree(channel); } Patches currently in stable-queue which might be from dan.carpenter@oracle.com are queue-4.4/intel_scu_ipcutil-underflow-in-scu_reg_access.patch queue-4.4/iio-inkern-fix-a-null-dereference-on-error.patch