168 	struct crypto_sync_skcipher *chacha20 =  in bch2_chacha_encrypt_key()  local
172 	ret = PTR_ERR_OR_ZERO(chacha20);  in bch2_chacha_encrypt_key()
178 	ret = crypto_skcipher_setkey(&chacha20->base,  in bch2_chacha_encrypt_key()
185 	ret = do_encrypt(chacha20, nonce, buf, len);  in bch2_chacha_encrypt_key()
187 	crypto_free_sync_skcipher(chacha20);  in bch2_chacha_encrypt_key()
200 	ret = do_encrypt(c->chacha20, nonce, key, sizeof(key));  in gen_poly_key()
255 	return do_encrypt(c->chacha20, nonce, data, len);  in bch2_encrypt()
354 			ret = do_encrypt_sg(c->chacha20, nonce, sgl.data, sgl_len);  in __bch2_encrypt_bio()
369 	ret = do_encrypt_sg(c->chacha20, nonce, sgl.data, sgl_len);  in __bch2_encrypt_bio()
667 	if (c->chacha20)  in bch2_alloc_ciphers()
670 	struct crypto_sync_skcipher *chacha20 = crypto_alloc_sync_skcipher("chacha20", 0, 0);  in bch2_alloc_ciphers()  local
671 	int ret = PTR_ERR_OR_ZERO(chacha20);  in bch2_alloc_ciphers()
681 		crypto_free_sync_skcipher(chacha20);  in bch2_alloc_ciphers()
685 	c->chacha20	= chacha20;  in bch2_alloc_ciphers()
755 	ret = crypto_skcipher_setkey(&c->chacha20->base,  in bch2_enable_encryption()
783 	if (c->chacha20)  in bch2_fs_encryption_exit()
784 		crypto_free_sync_skcipher(c->chacha20);  in bch2_fs_encryption_exit()
815 	ret = crypto_skcipher_setkey(&c->chacha20->base,  in bch2_fs_encryption_init()