[PATCH] drm/amd/display: remove redundant null pointer check before kfree
Alex Deucher
alexdeucher at gmail.com
Wed Oct 30 13:56:40 UTC 2019
On Wed, Oct 30, 2019 at 9:36 AM Harry Wentland <hwentlan at amd.com> 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 at huawei.com>
>
> Reviewed-by: Harry Wentland <harry.wentland at amd.com>
>
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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