89 static int hmac_export(struct shash_desc *pdesc, void *out)  in hmac_export()  argument
91 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_export()
93 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_export()
98 static int hmac_import(struct shash_desc *pdesc, const void *in)  in hmac_import()  argument
100 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_import()
101 	struct hmac_ctx *ctx = hmac_ctx(pdesc->tfm);  in hmac_import()
104 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_import()
109 static int hmac_init(struct shash_desc *pdesc)  in hmac_init()  argument
111 	return hmac_import(pdesc, crypto_shash_ctx_aligned(pdesc->tfm));  in hmac_init()
114 static int hmac_update(struct shash_desc *pdesc,  in hmac_update()  argument
117 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_update()
119 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_update()
124 static int hmac_final(struct shash_desc *pdesc, u8 *out)  in hmac_final()  argument
126 	struct crypto_shash *parent = pdesc->tfm;  in hmac_final()
130 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_final()
132 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_final()
139 static int hmac_finup(struct shash_desc *pdesc, const u8 *data,  in hmac_finup()  argument
143 	struct crypto_shash *parent = pdesc->tfm;  in hmac_finup()
147 	struct shash_desc *desc = shash_desc_ctx(pdesc);  in hmac_finup()
149 	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;  in hmac_finup()