Re: [PATCH] drm/amd/display: remove redundant null pointer check before kfree

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On Wed, Oct 30, 2019 at 9:36 AM Harry Wentland <hwentlan@xxxxxxx> wrote:
>
> On 2019-10-29 9:57 p.m., zhong jiang wrote:
> > kfree has taken null pointer into account. hence it is safe to remove
> > the unnecessary check.
> >
> > Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
>
> Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
>

Applied.  thanks!

Alex

> Harry
>
> > ---
> >  drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c b/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c
> > index cf6ef38..6f730b5 100644
> > --- a/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c
> > +++ b/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c
> > @@ -174,9 +174,7 @@ static bool hdmi_14_process_transaction(
> >                       link->ctx,
> >                       link,
> >                       &i2c_command);
> > -
> > -     if (buff)
> > -             kfree(buff);
> > +     kfree(buff);
> >
> >       return result;
> >  }
> >
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