48 	int bsize = crypto_cipher_blocksize(tfm);  in crypto_cbc_encrypt_segment()  local
55 		crypto_xor(iv, src, bsize);  in crypto_cbc_encrypt_segment()
57 		memcpy(iv, dst, bsize);  in crypto_cbc_encrypt_segment()
59 		src += bsize;  in crypto_cbc_encrypt_segment()
60 		dst += bsize;  in crypto_cbc_encrypt_segment()
61 	} while ((nbytes -= bsize) >= bsize);  in crypto_cbc_encrypt_segment()
72 	int bsize = crypto_cipher_blocksize(tfm);  in crypto_cbc_encrypt_inplace()  local
78 		crypto_xor(src, iv, bsize);  in crypto_cbc_encrypt_inplace()
82 		src += bsize;  in crypto_cbc_encrypt_inplace()
83 	} while ((nbytes -= bsize) >= bsize);  in crypto_cbc_encrypt_inplace()
85 	memcpy(walk->iv, iv, bsize);  in crypto_cbc_encrypt_inplace()
120 	int bsize = crypto_cipher_blocksize(tfm);  in crypto_cbc_decrypt_segment()  local
128 		crypto_xor(dst, iv, bsize);  in crypto_cbc_decrypt_segment()
131 		src += bsize;  in crypto_cbc_decrypt_segment()
132 		dst += bsize;  in crypto_cbc_decrypt_segment()
133 	} while ((nbytes -= bsize) >= bsize);  in crypto_cbc_decrypt_segment()
135 	memcpy(walk->iv, iv, bsize);  in crypto_cbc_decrypt_segment()
146 	int bsize = crypto_cipher_blocksize(tfm);  in crypto_cbc_decrypt_inplace()  local
149 	u8 last_iv[bsize];  in crypto_cbc_decrypt_inplace()
152 	src += nbytes - (nbytes & (bsize - 1)) - bsize;  in crypto_cbc_decrypt_inplace()
153 	memcpy(last_iv, src, bsize);  in crypto_cbc_decrypt_inplace()
157 		if ((nbytes -= bsize) < bsize)  in crypto_cbc_decrypt_inplace()
159 		crypto_xor(src, src - bsize, bsize);  in crypto_cbc_decrypt_inplace()
160 		src -= bsize;  in crypto_cbc_decrypt_inplace()
163 	crypto_xor(src, walk->iv, bsize);  in crypto_cbc_decrypt_inplace()
164 	memcpy(walk->iv, last_iv, bsize);  in crypto_cbc_decrypt_inplace()