90 static int hmac_export(struct shash_desc *pdesc, void *out)  in hmac_export()  argument
92 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_export()
94 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_export()
99 static int hmac_import(struct shash_desc *pdesc, const void *in)  in hmac_import()  argument
101 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_import()
102 	struct hmac_ctx *ctx = hmac_ctx(pdesc->tfm);  in hmac_import()
105 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_import()
110 static int hmac_init(struct shash_desc *pdesc)  in hmac_init()  argument
112 	return hmac_import(pdesc, crypto_shash_ctx_aligned(pdesc->tfm));  in hmac_init()
115 static int hmac_update(struct shash_desc *pdesc,  in hmac_update()  argument
118 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_update()
120 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_update()
125 static int hmac_final(struct shash_desc *pdesc, u8 *out)  in hmac_final()  argument
127 	struct crypto_shash *parent = pdesc->tfm;  in hmac_final()
131 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_final()
133 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_final()
140 static int hmac_finup(struct shash_desc *pdesc, const u8 *data,  in hmac_finup()  argument
144 	struct crypto_shash *parent = pdesc->tfm;  in hmac_finup()
148 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_finup()
150 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_finup()