[PATCH] drm/amd/display: prevent memory leak

[Alex Deucher]

On Wed, Sep 25, 2019 at 9:54 AM Harry Wentland <hwentlan at amd.com> wrote:
>
>
>
> On 2019-09-25 12:23 a.m., Navid Emamdoost wrote:
> > In dcn*_create_resource_pool the allocated memory should be released if
> > construct pool fails.
> >
> > Signed-off-by: Navid Emamdoost <navid.emamdoost at gmail.com>
>
> Reviewed-by: Harry Wentland <harry.wentland at amd.com>
>

Applied.  thanks!

Alex

> Harry
>
> > ---
> >  drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c | 1 +
> >  drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c | 1 +
> >  drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c | 1 +
> >  drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c | 1 +
> >  drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c   | 1 +
> >  5 files changed, 5 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
> > index afc61055eca1..1787b9bf800a 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
> > +++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
> > @@ -1091,6 +1091,7 @@ struct resource_pool *dce100_create_resource_pool(
> >       if (construct(num_virtual_links, dc, pool))
> >               return &pool->base;
> >
> > +     kfree(pool);
> >       BREAK_TO_DEBUGGER();
> >       return NULL;
> >  }
> > diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
> > index c66fe170e1e8..318e9c2e2ca8 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
> > +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
> > @@ -1462,6 +1462,7 @@ struct resource_pool *dce110_create_resource_pool(
> >       if (construct(num_virtual_links, dc, pool, asic_id))
> >               return &pool->base;
> >
> > +     kfree(pool);
> >       BREAK_TO_DEBUGGER();
> >       return NULL;
> >  }
> > diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
> > index 3ac4c7e73050..3199d493d13b 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
> > +++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
> > @@ -1338,6 +1338,7 @@ struct resource_pool *dce112_create_resource_pool(
> >       if (construct(num_virtual_links, dc, pool))
> >               return &pool->base;
> >
> > +     kfree(pool);
> >       BREAK_TO_DEBUGGER();
> >       return NULL;
> >  }
> > diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
> > index 7d08154e9662..bb497f43f6eb 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
> > +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
> > @@ -1203,6 +1203,7 @@ struct resource_pool *dce120_create_resource_pool(
> >       if (construct(num_virtual_links, dc, pool))
> >               return &pool->base;
> >
> > +     kfree(pool);
> >       BREAK_TO_DEBUGGER();
> >       return NULL;
> >  }
> > diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
> > index 5a89e462e7cc..59305e411a66 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
> > +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
> > @@ -1570,6 +1570,7 @@ struct resource_pool *dcn10_create_resource_pool(
> >       if (construct(init_data->num_virtual_links, dc, pool))
> >               return &pool->base;
> >
> > +     kfree(pool);
> >       BREAK_TO_DEBUGGER();
> >       return NULL;
> >  }
> >
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