145 	struct polyval_desc_ctx *dctx = shash_desc_ctx(desc);  in polyval_init()  local
147 	memset(dctx, 0, sizeof(*dctx));  in polyval_init()
155 	struct polyval_desc_ctx *dctx = shash_desc_ctx(desc);  in polyval_update()  local
161 	if (dctx->bytes) {  in polyval_update()
162 		n = min(srclen, dctx->bytes);  in polyval_update()
163 		pos = dctx->buffer + dctx->bytes - 1;  in polyval_update()
165 		dctx->bytes -= n;  in polyval_update()
171 		if (!dctx->bytes)  in polyval_update()
172 			gf128mul_4k_lle(&dctx->buffer128, ctx->gf128);  in polyval_update()
177 		crypto_xor(dctx->buffer, tmp, POLYVAL_BLOCK_SIZE);  in polyval_update()
178 		gf128mul_4k_lle(&dctx->buffer128, ctx->gf128);  in polyval_update()
184 		dctx->bytes = POLYVAL_BLOCK_SIZE - srclen;  in polyval_update()
185 		pos = dctx->buffer + POLYVAL_BLOCK_SIZE - 1;  in polyval_update()
195 	struct polyval_desc_ctx *dctx = shash_desc_ctx(desc);  in polyval_final()  local
198 	if (dctx->bytes)  in polyval_final()
199 		gf128mul_4k_lle(&dctx->buffer128, ctx->gf128);  in polyval_final()
200 	copy_and_reverse(dst, dctx->buffer);  in polyval_final()