107 	int bsize = crypto_skcipher_blocksize(tfm);  in cts_cbc_encrypt()  local
116 	sg = scatterwalk_ffwd(rctx->sg, req->dst, offset - bsize);  in cts_cbc_encrypt()
117 	scatterwalk_map_and_copy(d + bsize, sg, 0, bsize, 0);  in cts_cbc_encrypt()
119 	memset(d, 0, bsize);  in cts_cbc_encrypt()
122 	scatterwalk_map_and_copy(d, sg, 0, bsize + lastn, 1);  in cts_cbc_encrypt()
128 	skcipher_request_set_crypt(subreq, sg, sg, bsize, req->iv);  in cts_cbc_encrypt()
153 	int bsize = crypto_skcipher_blocksize(tfm);  in crypto_cts_encrypt()  local
155 	int cbc_blocks = (nbytes + bsize - 1) / bsize - 1;  in crypto_cts_encrypt()
169 	offset = cbc_blocks * bsize;  in crypto_cts_encrypt()
186 	int bsize = crypto_skcipher_blocksize(tfm);  in cts_cbc_decrypt()  local
196 	sg = scatterwalk_ffwd(rctx->sg, req->dst, offset - bsize);  in cts_cbc_decrypt()
199 	scatterwalk_map_and_copy(d + bsize, sg, 0, bsize, 0);  in cts_cbc_decrypt()
201 	crypto_xor(d + bsize, space, bsize);  in cts_cbc_decrypt()
203 	memset(d, 0, bsize);  in cts_cbc_decrypt()
207 	crypto_xor(d + bsize, d, lastn);  in cts_cbc_decrypt()
210 	memcpy(d + lastn, d + bsize + lastn, bsize - lastn);  in cts_cbc_decrypt()
213 	scatterwalk_map_and_copy(d, sg, 0, bsize + lastn, 1);  in cts_cbc_decrypt()
220 	skcipher_request_set_crypt(subreq, sg, sg, bsize, space);  in cts_cbc_decrypt()
245 	int bsize = crypto_skcipher_blocksize(tfm);  in crypto_cts_decrypt()  local
247 	int cbc_blocks = (nbytes + bsize - 1) / bsize - 1;  in crypto_cts_decrypt()
267 	offset = cbc_blocks * bsize;  in crypto_cts_decrypt()
271 		memcpy(space, req->iv, bsize);  in crypto_cts_decrypt()
273 		scatterwalk_map_and_copy(space, req->src, offset - 2 * bsize,  in crypto_cts_decrypt()
274 					 bsize, 0);  in crypto_cts_decrypt()
290 	unsigned bsize;  in crypto_cts_init_tfm()  local
300 	bsize = crypto_skcipher_blocksize(cipher);  in crypto_cts_init_tfm()
304 		  (align & ~(crypto_tfm_ctx_alignment() - 1)) + bsize;  in crypto_cts_init_tfm()