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SubjectRe: [PATCH AUTOSEL 5.13 001/189] drm/etnaviv: fix NULL check before some freeing functions is not needed
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Am Dienstag, dem 06.07.2021 um 07:11 -0400 schrieb Sasha Levin:
> From: Tian Tao <tiantao6@hisilicon.com>
>
> [ Upstream commit 7d614ab2f20503ed8766363d41f8607337571adf ]
>
> fixed the below warning:
> drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c:84:2-8: WARNING: NULL check
> before some freeing functions is not needed.

While the subject contains "fix" this only removes a duplicated NULL
check, so the code is correct before and after this change.
Is this really stable material? Doesn't this just add commit noise to
the stable kernels?

Regards,
Lucas

>
> Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
> Acked-by: Christian König <christian.koenig@amd.com>
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> Signed-off-by: Sasha Levin <sashal@kernel.org>
> ---
> drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> index b390dd4d60b7..d741b1d735f7 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> @@ -80,8 +80,7 @@ static void etnaviv_gem_prime_release(struct etnaviv_gem_object *etnaviv_obj)
> /* Don't drop the pages for imported dmabuf, as they are not
> * ours, just free the array we allocated:
> */
> - if (etnaviv_obj->pages)
> - kvfree(etnaviv_obj->pages);
> + kvfree(etnaviv_obj->pages);
>
> drm_prime_gem_destroy(&etnaviv_obj->base, etnaviv_obj->sgt);
> }


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