[AMD Official Use Only - Internal Distribution Only] Reviewed-by: Alex Deucher <alexander.deuc...@amd.com> ________________________________ From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> on behalf of Kent Russell <kent.russ...@amd.com> Sent: Monday, November 2, 2020 11:27 AM To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org> Cc: Russell, Kent <kent.russ...@amd.com> 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.russ...@amd.com> Reported-by: kernel test robot <l...@intel.com> --- 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@lists.freedesktop.org https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Calexander.deucher%40amd.com%7C20c8797c2a6d4fb8bf5a08d87f4c3732%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637399312636837144%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=84VCnd9ugeRKlAyqOYpXHm2PvPXUhM0gQjJd9AR95mA%3D&reserved=0
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