From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
To: "Felix Kuehling" <Felix.Kuehling@amd.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"David Airlie" <airlied@linux.ie>,
"Daniel Vetter" <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
linux-hardening@vger.kernel.org
Subject: [PATCH][next] drm/amdgpu: Use struct_size() helper in kmalloc()
Date: Thu, 8 Oct 2020 09:23:05 -0500 [thread overview]
Message-ID: <20201008142305.GA21249@embeddedor> (raw)
Make use of the new struct_size() helper instead of the offsetof() idiom.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
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;
--
2.27.0
next reply other threads:[~2020-10-08 14:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-08 14:23 Gustavo A. R. Silva [this message]
2020-10-08 17:22 ` [PATCH][next] drm/amdgpu: Use struct_size() helper in kmalloc() Alex Deucher
2020-10-09 7:07 ` Christian König
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