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drm/amdgpu: Remove a redundant sanity check

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The case where 'num_entries' is too big, is already handled by
struct_size(), because kvmalloc() would fail.

It will return -ENOMEM instead of -EINVAL, but it is only related to a
unlikely to happen sanity check.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christophe JAILLET 2023-08-20 11:51:14 +02:00 • committed by Alex Deucher
parent ff49bd2c74
commit a23abe1fbd
1 changed files with 0 additions and 4 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
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@ -78,10 +78,6 @@ int amdgpu_bo_list_create(struct amdgpu_device *adev, struct drm_file *filp,
unsigned i;
int r;
if (num_entries > (SIZE_MAX - sizeof(struct amdgpu_bo_list))
/ sizeof(struct amdgpu_bo_list_entry))
return -EINVAL;
list = kvmalloc(struct_size(list, entries, num_entries), GFP_KERNEL);
if (!list)
return -ENOMEM;