Re: [PATCH] pwm - Fix possible NULL derefrence.

From: Thierry Reding
Date: Mon Jan 30 2017 - 02:10:41 EST


On Mon, Jan 30, 2017 at 10:22:33AM +0530, Shailendra Verma wrote:
> of_match_device could return NULL, and so can cause a NULL
> pointer dereference later.
>
> Signed-off-by: Shailendra Verma <shailendra.v@xxxxxxxxxxx>
> ---
> drivers/pwm/pwm-sun4i.c | 4 ++++
> drivers/pwm/pwm-tegra.c | 5 +++++
> 2 files changed, 9 insertions(+)

Both of these drivers will only run on purely OF systems, so this check
is unnecessary.

Thierry

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