446 	u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE];  in blk_crypto_ioctl_import_key()  local
463 	ret = blk_crypto_import_key(profile, raw_key, arg.raw_key_size, lt_key);  in blk_crypto_ioctl_import_key()
471 	if (copy_to_user(u64_to_user_ptr(arg.lt_key_ptr), lt_key,  in blk_crypto_ioctl_import_key()
481 	memzero_explicit(lt_key, sizeof(lt_key));  in blk_crypto_ioctl_import_key()
489 	u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE];  in blk_crypto_ioctl_generate_key()  local
498 	ret = blk_crypto_generate_key(profile, lt_key);  in blk_crypto_ioctl_generate_key()
506 	if (copy_to_user(u64_to_user_ptr(arg.lt_key_ptr), lt_key,  in blk_crypto_ioctl_generate_key()
515 	memzero_explicit(lt_key, sizeof(lt_key));  in blk_crypto_ioctl_generate_key()
523 	u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE];  in blk_crypto_ioctl_prepare_key()  local
533 	if (arg.lt_key_size > sizeof(lt_key))  in blk_crypto_ioctl_prepare_key()
536 	if (copy_from_user(lt_key, u64_to_user_ptr(arg.lt_key_ptr),  in blk_crypto_ioctl_prepare_key()
541 	ret = blk_crypto_prepare_key(profile, lt_key, arg.lt_key_size, eph_key);  in blk_crypto_ioctl_prepare_key()
558 	memzero_explicit(lt_key, sizeof(lt_key));  in blk_crypto_ioctl_prepare_key()