476 	struct blk_crypto_import_key_arg arg;  in blk_crypto_ioctl_import_key()  local
481 	if (copy_from_user(&arg, argp, sizeof(arg)))  in blk_crypto_ioctl_import_key()
484 	if (memchr_inv(arg.reserved, 0, sizeof(arg.reserved)))  in blk_crypto_ioctl_import_key()
487 	if (arg.raw_key_size < 16 || arg.raw_key_size > sizeof(raw_key))  in blk_crypto_ioctl_import_key()
490 	if (copy_from_user(raw_key, u64_to_user_ptr(arg.raw_key_ptr),  in blk_crypto_ioctl_import_key()
491 			   arg.raw_key_size)) {  in blk_crypto_ioctl_import_key()
495 	ret = blk_crypto_import_key(profile, raw_key, arg.raw_key_size, lt_key);  in blk_crypto_ioctl_import_key()
498 	if (ret > arg.lt_key_size) {  in blk_crypto_ioctl_import_key()
502 	arg.lt_key_size = ret;  in blk_crypto_ioctl_import_key()
503 	if (copy_to_user(u64_to_user_ptr(arg.lt_key_ptr), lt_key,  in blk_crypto_ioctl_import_key()
504 			 arg.lt_key_size) ||  in blk_crypto_ioctl_import_key()
505 	    copy_to_user(argp, &arg, sizeof(arg))) {  in blk_crypto_ioctl_import_key()
520 	struct blk_crypto_generate_key_arg arg;  in blk_crypto_ioctl_generate_key()  local
524 	if (copy_from_user(&arg, argp, sizeof(arg)))  in blk_crypto_ioctl_generate_key()
527 	if (memchr_inv(arg.reserved, 0, sizeof(arg.reserved)))  in blk_crypto_ioctl_generate_key()
533 	if (ret > arg.lt_key_size) {  in blk_crypto_ioctl_generate_key()
537 	arg.lt_key_size = ret;  in blk_crypto_ioctl_generate_key()
538 	if (copy_to_user(u64_to_user_ptr(arg.lt_key_ptr), lt_key,  in blk_crypto_ioctl_generate_key()
539 			 arg.lt_key_size) ||  in blk_crypto_ioctl_generate_key()
540 	    copy_to_user(argp, &arg, sizeof(arg))) {  in blk_crypto_ioctl_generate_key()
554 	struct blk_crypto_prepare_key_arg arg;  in blk_crypto_ioctl_prepare_key()  local
559 	if (copy_from_user(&arg, argp, sizeof(arg)))  in blk_crypto_ioctl_prepare_key()
562 	if (memchr_inv(arg.reserved, 0, sizeof(arg.reserved)))  in blk_crypto_ioctl_prepare_key()
565 	if (arg.lt_key_size > sizeof(lt_key))  in blk_crypto_ioctl_prepare_key()
568 	if (copy_from_user(lt_key, u64_to_user_ptr(arg.lt_key_ptr),  in blk_crypto_ioctl_prepare_key()
569 			   arg.lt_key_size)) {  in blk_crypto_ioctl_prepare_key()
573 	ret = blk_crypto_prepare_key(profile, lt_key, arg.lt_key_size, eph_key);  in blk_crypto_ioctl_prepare_key()
576 	if (ret > arg.eph_key_size) {  in blk_crypto_ioctl_prepare_key()
580 	arg.eph_key_size = ret;  in blk_crypto_ioctl_prepare_key()
581 	if (copy_to_user(u64_to_user_ptr(arg.eph_key_ptr), eph_key,  in blk_crypto_ioctl_prepare_key()
582 			 arg.eph_key_size) ||  in blk_crypto_ioctl_prepare_key()
583 	    copy_to_user(argp, &arg, sizeof(arg))) {  in blk_crypto_ioctl_prepare_key()