diff options
| author |   Stephen Boyd <sboyd@kernel.org> | 2019-04-12 11:31:45 -0700 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2019-04-19 14:24:32 -0700 |
| commit | 1b833924e5b3cea92306069a0f366529341dd260 (patch) | |
| tree | 1be0f966cf28f5b0e05adc36d08ebfb38dc27b25 /include/linux/device.h | |
| parent | clk: Prepare for clk registration API that uses DT nodes (diff) | |
| download | linux-dev-1b833924e5b3cea92306069a0f366529341dd260.tar.xz linux-dev-1b833924e5b3cea92306069a0f366529341dd260.zip | |
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>
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 2 |
1 files changed, 1 insertions, 1 deletions
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; } |