From: Arnd Bergmann <a...@arndb.de>
Date: Tue, 14 Jun 2016 12:03:17 +0200
> The latest changes to the MDIO code introduced a false-positive
> warning with gcc-6 (possibly others):
>
> drivers/net/phy/mdio-mux.c: In function 'mdio_mux_init':
> drivers/net/phy/mdio-mux.c:188:3: error: 'parent_bus_node' may be used
> uninitialized in this function [-Werror=maybe-uninitialized]
>
> It's easy to avoid the warning by making sure the parent_bus_node
> is initialized in both cases at the start of the function, since
> the later 'of_node_put()' call is also valid for a NULL pointer
> argument.
>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> Fixes: f20e6657a875 ("mdio: mux: Enhanced MDIO mux framework for integrated
> multiplexers")
Applied.
