[PATCH v4 4/9] driver core: Let dev_of_node() accept a NULL dev

[Stephen Boyd]

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@xxxxxxxxxxx>
Cc: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Michael Turquette <mturquette@xxxxxxxxxxxx>
Cc: Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx>
Cc: Chen-Yu Tsai <wens@xxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
---

Please ack/review so I can take this through clk tree.

 include/linux/device.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/device.h b/include/linux/device.h
index b425a7ee04ce..0370dd0b3ae7 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -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;
 }
-- 
Sent by a computer through tubes