From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH 2/2] mfd: twl6040: fix child-node lookup Date: Mon, 13 Nov 2017 09:12:56 +0000 Message-ID: <20171113091256.6prmqkvtlhmebmij@dell> References: <20171111153844.16741-1-johan@kernel.org> <20171111153844.16741-2-johan@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <20171111153844.16741-2-johan@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Johan Hovold Cc: Tony Lindgren , linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, stable , Peter Ujfalusi , Samuel Ortiz List-Id: linux-omap@vger.kernel.org On Sat, 11 Nov 2017, Johan Hovold wrote: > Fix child-node lookup during probe, which ended up searching the whole > device tree depth-first starting at the parent rather than just matching > on its children. > > To make things worse, the parent node was prematurely freed, while the > child node was leaked. > > Note that the CONFIG_OF compile guard can be removed as > of_get_child_by_name() provides a !CONFIG_OF implementation which always > fails. > > Fixes: 37e13cecaa14 ("mfd: Add support for Device Tree to twl6040") > Fixes: ca2cad6ae38e ("mfd: Fix twl6040 build failure") > Cc: stable # 3.5 > Cc: Peter Ujfalusi > Cc: Samuel Ortiz > --- > drivers/mfd/twl6040.c | 12 ++++++++---- > 1 file changed, 8 insertions(+), 4 deletions(-) For my own reference: Acked-for-MFD-by: Lee Jones I'll pick these up later in the cycle. -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog