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drm/amdgpu: use kmalloc_array() instead of kmalloc()

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Use kmalloc_array() instead of kmalloc() with multiplication.
kmalloc_array() is a safer way because of its multiply overflow check.

Signed-off-by: Yunshui Jiang <jiangyunshui@kylinos.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yunshui Jiang 2025-07-24 09:37:53 +08:00 committed by Alex Deucher
parent 46b0e6b9d7
commit 130c7ed88f
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@ -2622,7 +2622,7 @@ static int amdgpu_ras_badpages_read(struct amdgpu_device *adev,
goto out;
}
*bps = kmalloc(sizeof(struct ras_badpage) * data->count, GFP_KERNEL);
*bps = kmalloc_array(data->count, sizeof(struct ras_badpage), GFP_KERNEL);
if (!*bps) {
ret = -ENOMEM;
goto out;
@ -2786,7 +2786,7 @@ static int amdgpu_ras_realloc_eh_data_space(struct amdgpu_device *adev,
unsigned int old_space = data->count + data->space_left;
unsigned int new_space = old_space + pages;
unsigned int align_space = ALIGN(new_space, 512);
void *bps = kmalloc(align_space * sizeof(*data->bps), GFP_KERNEL);
void *bps = kmalloc_array(align_space, sizeof(*data->bps), GFP_KERNEL);
if (!bps) {
return -ENOMEM;