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Commit 1b833924 authored by Stephen Boyd's avatar Stephen Boyd
Browse files

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: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: default avatarJeffrey Hugo <jhugo@codeaurora.org>
Signed-off-by: default avatarStephen 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;

}