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[AMD Official Use Only - Internal Distribution Only]
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Kent Russell <kent.russell@xxxxxxx>
Sent: Monday, November 2, 2020 11:27 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Russell, Kent <Kent.Russell@xxxxxxx> Subject: [PATCH] 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@xxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> --- drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c index cdd5032d5c0e..a0acf2310357 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c @@ -804,10 +804,10 @@ 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; -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://nam11.safelinks.protection.outlook.com/?url=""> |
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