Re: [PATCH] dc.c:use kzalloc without test

zhong.shiqi at zte.com.cn zhong.shiqi at zte.com.cn
Sat Oct 26 02:57:40 UTC 2019


> Applied.  thanks!
> 
> Alex

Thanks a lot!

zhong.shiqi

> On Wed, Oct 23, 2019 at 9:35 AM Harry Wentland <hwentlan at amd.com> wrote:
> >
> > On 2019-10-23 4:32 a.m., zhongshiqi wrote:
> > > dc.c:583:null check is needed after using kzalloc function
> > >
> > > Signed-off-by: zhongshiqi <zhong.shiqi at zte.com.cn>
> >
> > Reviewed-by: Harry Wentland <harry.wentland at amd.com>
> >
> > Harry
> >
> > > ---
> > >  drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++++
> > >  1 file changed, 4 insertions(+)
> > >
> > > diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
> > > index 5d1aded..4b8819c 100644
> > > --- a/drivers/gpu/drm/amd/display/dc/core/dc.c
> > > +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
> > > @@ -580,6 +580,10 @@ static bool construct(struct dc *dc,
> > >  #ifdef CONFIG_DRM_AMD_DC_DCN2_0
> > >       // Allocate memory for the vm_helper
> > >       dc->vm_helper = kzalloc(sizeof(struct vm_helper), GFP_KERNEL);
> > > +     if (!dc->vm_helper) {
> > > +             dm_error("%s: failed to create dc->vm_helper\n", __func__);
> > > +             goto fail;
> > > +     }
> > >
> > >  #endif
> > >       memcpy(&dc->bb_overrides, &init_params->bb_overrides, sizeof(dc->bb_overrides));
> > >
> > _______________________________________________
> > amd-gfx mailing list
> > amd-gfx at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/amd-gfx


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