[PATCH v4 4/9] driver core: Let dev_of_node() accept a NULL dev
From: Stephen Boyd
Date: Fri Apr 12 2019 - 14:32:39 EST
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;
}
--
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