Re: [PATCH] backlight: pwm_bl: Fix broken PWM backlight for non-dt platforms

[Thierry Reding]

On Thu, Dec 10, 2015 at 10:09:06AM +0100, Philipp Zabel wrote:
> Commit ee65ad0e2a9e ("backlight: pwm_bl: Avoid backlight flicker when
> probed from DT") tries to dereference the device of_node pointer
> unconditionally, causing a NULL pointer dereference on non-dt platforms.
> Fix it by replacing the phandle variable with a node variable and
> by checking that for NULL before dereferencing it.
> 
> Reported-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> ---
>  drivers/video/backlight/pwm_bl.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)

Acked-by: Thierry Reding <thierry.reding@xxxxxxxxx>

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