Am 29.08.2018 um 17:13 schrieb Philip Yang:
kvmalloc_array uses __GFP_ZERO flag ensures that the returned address
is zeroed already, memset it to zero again afterwards is unnecessary
and in this case buggy because we only clear the first entry.
Change-Id: If94a59d3cbf2690dd2a1e2add71bc393df6a9686
Signed-off-by: Philip Yang <[email protected]>
Reviewed-by: Christian König <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 153c9be..33d9ce2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -540,7 +540,6 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device
*adev,
GFP_KERNEL | __GFP_ZERO);
if (!parent->entries)
return -ENOMEM;
- memset(parent->entries, 0 , sizeof(struct amdgpu_vm_pt));
}
from = saddr >> shift;
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