Commit 2e3a57f4 authored Nov 02, 2020 by Kent Russell Committed by Alex Deucher Nov 03, 2020

amdkfd: Check kvmalloc return before memcpy



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>

parent a2404fd4

drivers/gpu/drm/amd/amdkfd/kfd_crat.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -798,10 +798,10 @@ int kfd_create_crat_image_acpi(void *crat_image, size_t size)
		}

		pcrat_image = kvmalloc(crat_table->length, GFP_KERNEL);
		memcpy(pcrat_image, crat_table, crat_table->length);
		if (!pcrat_image)
		return -ENOMEM;

		memcpy(pcrat_image, crat_table, crat_table->length);
		*crat_image = pcrat_image;
		*size = crat_table->length;

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