From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33626 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751098AbdAOQjo (ORCPT ); Sun, 15 Jan 2017 11:39:44 -0500 Subject: Patch "drm/tegra: dpaux: Fix error handling" has been added to the 4.9-stable tree To: christophe.jaillet@wanadoo.fr, gregkh@linuxfoundation.org, jonathanh@nvidia.com, treding@nvidia.com Cc: , From: Date: Sun, 15 Jan 2017 17:39:50 +0100 Message-ID: <1484498390236220@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 drm/tegra: dpaux: Fix error handling 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: drm-tegra-dpaux-fix-error-handling.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 9376cad2073d2c122864754ea5f80025c8507b0b Mon Sep 17 00:00:00 2001 From: Christophe Jaillet Date: Fri, 28 Oct 2016 11:09:45 +0200 Subject: drm/tegra: dpaux: Fix error handling From: Christophe Jaillet commit 9376cad2073d2c122864754ea5f80025c8507b0b upstream. The devm_pinctrl_register() function returns an error pointer or a valid handle. So checking for NULL here is pointless and can never trigger. Check the returned value with IS_ERR instead and propagate this value as done in the other functions which call devm_pinctrl_register(). Fixes: 0751bb5c44fe ("drm/tegra: dpaux: Add pinctrl support") Signed-off-by: Christophe JAILLET Acked-by: Jon Hunter Signed-off-by: Thierry Reding Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/tegra/dpaux.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/tegra/dpaux.c +++ b/drivers/gpu/drm/tegra/dpaux.c @@ -539,9 +539,9 @@ static int tegra_dpaux_probe(struct plat dpaux->desc.owner = THIS_MODULE; dpaux->pinctrl = devm_pinctrl_register(&pdev->dev, &dpaux->desc, dpaux); - if (!dpaux->pinctrl) { + if (IS_ERR(dpaux->pinctrl)) { dev_err(&pdev->dev, "failed to register pincontrol\n"); - return -ENODEV; + return PTR_ERR(dpaux->pinctrl); } #endif /* enable and clear all interrupts */ Patches currently in stable-queue which might be from christophe.jaillet@wanadoo.fr are queue-4.9/drm-tegra-dpaux-fix-error-handling.patch