Commit 1b833924 authored Apr 12, 2019 by Stephen Boyd

driver core: Let dev_of_node() accept a NULL dev



We'd like to chain this in places where the 'dev' argument might be
NULL. Let this function take a NULL 'dev' so this can work.

Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Rob Herring <robh@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Jeffrey Hugo <jhugo@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

parent fceaa7d8

include/linux/device.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -1231,7 +1231,7 @@ static inline void device_lock_assert(struct device *dev)

		static inline struct device_node dev_of_node(struct device dev)
		{
		if (!IS_ENABLED(CONFIG_OF))
		if (!IS_ENABLED(CONFIG_OF) \|\| !dev)
		return NULL;
		return dev->of_node;
		}

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