From: Rob Herring Date: Wed, 27 May 2020 18:40:40 +0000 Subject: Re: [PATCH v2] of: Fix a refcounting bug in __of_attach_node_sysfs() Message-Id: <20200527184040.GA2529559@bogus> List-Id: References: <20200520120414.GE172354@mwanda> In-Reply-To: <20200520120414.GE172354@mwanda> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Dan Carpenter Cc: Rob Herring , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kernel-janitors@vger.kernel.org, Michael Ellerman , Frank Rowand On Wed, 20 May 2020 15:04:14 +0300, Dan Carpenter wrote: > The problem in this code is that if kobject_add() fails, then it should > call of_node_put(np) to drop the reference count. I've actually moved > the of_node_get(np) later in the function to avoid needing to do clean > up. > > Fixes: 5b2c2f5a0ea3 ("of: overlay: add missing of_node_get() in __of_attach_node_sysfs") > Signed-off-by: Dan Carpenter > --- > v2: move the of_node_get() instead of doing clean up. Also the v1 had a > confusing typo in the commit message. > > drivers/of/kobj.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > Applied, thanks!