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Message-ID: <273fb8b5-61cc-d65e-bf4a-43767eaad348@amd.com> Date: Fri, 9 Oct 2020 09:07:31 +0200 From: Christian König <christian.koenig@....com> To: "Gustavo A. R. Silva" <gustavoars@...nel.org>, Felix Kuehling <Felix.Kuehling@....com>, Alex Deucher <alexander.deucher@....com>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch> Cc: amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH][next] drm/amdgpu: Use struct_size() helper in kmalloc() Am 08.10.20 um 16:23 schrieb Gustavo A. R. Silva: > Make use of the new struct_size() helper instead of the offsetof() idiom. > > Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org> Reviewed-by: Christian König <christian.koenig@....com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c > index 5da487b64a66..30192dce7775 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c > @@ -239,8 +239,7 @@ static int amdgpu_amdkfd_remove_eviction_fence(struct amdgpu_bo *bo, > if (!old) > return 0; > > - new = kmalloc(offsetof(typeof(*new), shared[old->shared_max]), > - GFP_KERNEL); > + new = kmalloc(struct_size(new, shared, old->shared_max), GFP_KERNEL); > if (!new) > return -ENOMEM; >
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