From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:60370 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750815AbdCHHbx (ORCPT ); Wed, 8 Mar 2017 02:31:53 -0500 Subject: Patch "[media] cxd2820r: fix gpio null pointer dereference" has been added to the 4.9-stable tree To: crope@iki.fi, gregkh@linuxfoundation.org, hakan.lennestal@gmail.com, mchehab@s-opensource.com, rankincj@gmail.com Cc: , From: Date: Wed, 08 Mar 2017 08:00:01 +0100 Message-ID: <148895640194223@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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 [media] cxd2820r: fix gpio null pointer dereference to the 4.9-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: cxd2820r-fix-gpio-null-pointer-dereference.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 0ffb94b6cc5df6376ab6bff5b80075641f6716f8 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 16 Jan 2017 19:27:41 -0200 Subject: [media] cxd2820r: fix gpio null pointer dereference MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Antti Palosaari commit 0ffb94b6cc5df6376ab6bff5b80075641f6716f8 upstream. Setting GPIOs during probe causes null pointer deference when GPIOLIB was not selected by Kconfig. Initialize driver private field before calling set gpios. It is regressing bug since 4.9. Fixes: 07fdf7d9f19f ("[media] cxd2820r: add I2C driver bindings") Reported-by: Chris Rankin Tested-by: Chris Rankin Tested-by: Håkan Lennestål Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/media/dvb-frontends/cxd2820r_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/media/dvb-frontends/cxd2820r_core.c +++ b/drivers/media/dvb-frontends/cxd2820r_core.c @@ -615,6 +615,7 @@ static int cxd2820r_probe(struct i2c_cli } priv->client[0] = client; + priv->fe.demodulator_priv = priv; priv->i2c = client->adapter; priv->ts_mode = pdata->ts_mode; priv->ts_clk_inv = pdata->ts_clk_inv; @@ -697,7 +698,6 @@ static int cxd2820r_probe(struct i2c_cli memcpy(&priv->fe.ops, &cxd2820r_ops, sizeof(priv->fe.ops)); if (!pdata->attach_in_use) priv->fe.ops.release = NULL; - priv->fe.demodulator_priv = priv; i2c_set_clientdata(client, priv); /* Setup callbacks */ Patches currently in stable-queue which might be from crope@iki.fi are queue-4.9/cxd2820r-fix-gpio-null-pointer-dereference.patch