From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> To: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: Petr Mladek <pmladek@suse.com>, linux-kernel@vger.kernel.org, rafael@kernel.org, linux-acpi@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring <robh@kernel.org>, Heikki Krogerus <heikki.krogerus@linux.intel.com> Subject: Re: [PATCH v4 01/11] software node: Get reference to parent swnode in get_parent op Date: Mon, 2 Sep 2019 13:10:28 +0300 Message-ID: <20190902101028.GZ2680@smile.fi.intel.com> (raw) In-Reply-To: <20190902083240.20367-2-sakari.ailus@linux.intel.com> On Mon, Sep 02, 2019 at 11:32:30AM +0300, Sakari Ailus wrote: > The software_node_get_parent() returned a pointer to the parent swnode, > but did not take a reference to it, leading the caller to put a reference > that was not taken. Take that reference now. > Missed already given Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > Fixes: 59abd83672f7 ("drivers: base: Introducing software nodes to the firmware node framework") > Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> > Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> > --- > drivers/base/swnode.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c > index e7b3aa3bd55ad..a7cb41812cfda 100644 > --- a/drivers/base/swnode.c > +++ b/drivers/base/swnode.c > @@ -520,7 +520,10 @@ software_node_get_parent(const struct fwnode_handle *fwnode) > { > struct swnode *swnode = to_swnode(fwnode); > > - return swnode ? (swnode->parent ? &swnode->parent->fwnode : NULL) : NULL; > + if (!swnode || !swnode->parent) > + return NULL; > + > + return fwnode_handle_get(&swnode->parent->fwnode); > } > > static struct fwnode_handle * > -- > 2.20.1 > -- With Best Regards, Andy Shevchenko
next prev parent reply index Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-09-02 8:32 [PATCH v4 00/11] Device property improvements, add %pfw format specifier Sakari Ailus 2019-09-02 8:32 ` [PATCH v4 01/11] software node: Get reference to parent swnode in get_parent op Sakari Ailus 2019-09-02 10:10 ` Andy Shevchenko [this message] 2019-09-02 8:32 ` [PATCH v4 02/11] software node: Make argument to to_software_node const Sakari Ailus 2019-09-02 8:32 ` [PATCH v4 03/11] device property: Move fwnode_get_parent() up Sakari Ailus 2019-09-02 10:11 ` Andy Shevchenko 2019-09-02 8:32 ` [PATCH v4 04/11] device property: Add functions for accessing node's parents Sakari Ailus 2019-09-02 10:14 ` Andy Shevchenko 2019-09-02 12:34 ` Sakari Ailus 2019-09-02 12:46 ` Andy Shevchenko 2019-09-02 8:32 ` [PATCH v4 05/11] device property: Add fwnode_get_name for returning the name of a node Sakari Ailus 2019-09-02 8:32 ` [PATCH v4 06/11] device property: Add a function to obtain a node's prefix Sakari Ailus 2019-09-02 10:16 ` Andy Shevchenko 2019-09-02 8:32 ` [PATCH v4 07/11] lib/vsprintf: Remove support for %pF and %pf in favour of %pS and %ps Sakari Ailus 2019-09-02 14:39 ` Petr Mladek 2019-09-02 16:01 ` Andy Shevchenko 2019-09-03 14:04 ` Petr Mladek 2019-09-06 6:59 ` Sakari Ailus 2019-09-02 8:32 ` [PATCH v4 08/11] lib/vsprintf: Make use of fwnode API to obtain node names and separators Sakari Ailus 2019-09-02 15:18 ` Petr Mladek 2019-09-02 15:41 ` Sakari Ailus 2019-09-02 8:32 ` [PATCH v4 09/11] lib/vsprintf: OF nodes are first and foremost, struct device_nodes Sakari Ailus 2019-09-02 10:21 ` Andy Shevchenko 2019-09-02 8:32 ` [PATCH v4 10/11] lib/vsprintf: Add %pfw conversion specifier for printing fwnode names Sakari Ailus 2019-09-03 13:06 ` Petr Mladek 2019-09-04 15:04 ` Sakari Ailus 2019-09-04 15:17 ` Andy Shevchenko 2019-09-04 15:39 ` Joe Perches 2019-09-04 15:54 ` Andy Shevchenko 2019-09-04 15:37 ` Joe Perches 2019-09-04 16:09 ` Sakari Ailus 2019-09-02 8:32 ` [PATCH v4 11/11] lib/test_printf: Add tests for %pfw printk modifier Sakari Ailus 2019-09-02 12:26 ` Andy Shevchenko 2019-09-02 13:09 ` Sakari Ailus 2019-09-03 13:38 ` Petr Mladek 2019-09-04 14:03 ` Sakari Ailus
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