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amdkfd: Check kvmalloc return before memcpy

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If we can't kvmalloc the pcrat_image, then we shouldn't memcpy

Signed-off-by: Kent Russell <kent.russell@amd.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kent Russell 2020-11-02 11:17:59 -05:00 • committed by Alex Deucher
parent a2404fd482
commit 2e3a57f490
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdkfd/kfd_crat.c
View file

@ -798,10 +798,10 @@ int kfd_create_crat_image_acpi(void **crat_image, size_t *size)
} }
pcrat_image = kvmalloc(crat_table->length, GFP_KERNEL); pcrat_image = kvmalloc(crat_table->length, GFP_KERNEL);
memcpy(pcrat_image, crat_table, crat_table->length);
if (!pcrat_image) if (!pcrat_image)
return -ENOMEM; return -ENOMEM;
memcpy(pcrat_image, crat_table, crat_table->length);
*crat_image = pcrat_image; *crat_image = pcrat_image;
*size = crat_table->length; *size = crat_table->length;