509 	struct aead_instance *inst = aead_alg_instance(tfm);  in chachapoly_init()  local
510 	struct chachapoly_instance_ctx *ictx = aead_instance_ctx(inst);  in chachapoly_init()
553 static void chachapoly_free(struct aead_instance *inst)  in chachapoly_free()  argument
555 	struct chachapoly_instance_ctx *ctx = aead_instance_ctx(inst);  in chachapoly_free()
559 	kfree(inst);  in chachapoly_free()
566 	struct aead_instance *inst;  in chachapoly_create()  local
605 	inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);  in chachapoly_create()
606 	if (!inst)  in chachapoly_create()
609 	ctx = aead_instance_ctx(inst);  in chachapoly_create()
612 				      aead_crypto_instance(inst));  in chachapoly_create()
616 	crypto_set_skcipher_spawn(&ctx->chacha, aead_crypto_instance(inst));  in chachapoly_create()
634 	if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME,  in chachapoly_create()
638 	if (snprintf(inst->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME,  in chachapoly_create()
643 	inst->alg.base.cra_flags = (chacha->base.cra_flags | poly->cra_flags) &  in chachapoly_create()
645 	inst->alg.base.cra_priority = (chacha->base.cra_priority +  in chachapoly_create()
647 	inst->alg.base.cra_blocksize = 1;  in chachapoly_create()
648 	inst->alg.base.cra_alignmask = chacha->base.cra_alignmask |  in chachapoly_create()
650 	inst->alg.base.cra_ctxsize = sizeof(struct chachapoly_ctx) +  in chachapoly_create()
652 	inst->alg.ivsize = ivsize;  in chachapoly_create()
653 	inst->alg.chunksize = crypto_skcipher_alg_chunksize(chacha);  in chachapoly_create()
654 	inst->alg.maxauthsize = POLY1305_DIGEST_SIZE;  in chachapoly_create()
655 	inst->alg.init = chachapoly_init;  in chachapoly_create()
656 	inst->alg.exit = chachapoly_exit;  in chachapoly_create()
657 	inst->alg.encrypt = chachapoly_encrypt;  in chachapoly_create()
658 	inst->alg.decrypt = chachapoly_decrypt;  in chachapoly_create()
659 	inst->alg.setkey = chachapoly_setkey;  in chachapoly_create()
660 	inst->alg.setauthsize = chachapoly_setauthsize;  in chachapoly_create()
662 	inst->free = chachapoly_free;  in chachapoly_create()
664 	err = aead_register_instance(tmpl, inst);  in chachapoly_create()
677 	kfree(inst);  in chachapoly_create()