90 	unsigned int nbytes;  in ecb_crypt()  local
95 	while ((nbytes = walk->nbytes)) {  in ecb_crypt()
100 		if (nbytes >= bsize * 3) {  in ecb_crypt()
107 				nbytes -= bsize * 3;  in ecb_crypt()
108 			} while (nbytes >= bsize * 3);  in ecb_crypt()
110 			if (nbytes < bsize)  in ecb_crypt()
120 			nbytes -= bsize;  in ecb_crypt()
121 		} while (nbytes >= bsize);  in ecb_crypt()
124 		err = blkcipher_walk_done(desc, walk, nbytes);  in ecb_crypt()
131 		       struct scatterlist *src, unsigned int nbytes)  in ecb_encrypt()  argument
136 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_encrypt()
141 		       struct scatterlist *src, unsigned int nbytes)  in ecb_decrypt()  argument
146 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_decrypt()
155 	unsigned int nbytes = walk->nbytes;  in __cbc_encrypt()  local
167 		nbytes -= bsize;  in __cbc_encrypt()
168 	} while (nbytes >= bsize);  in __cbc_encrypt()
171 	return nbytes;  in __cbc_encrypt()
175 		       struct scatterlist *src, unsigned int nbytes)  in cbc_encrypt()  argument
180 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_encrypt()
183 	while ((nbytes = walk.nbytes)) {  in cbc_encrypt()
184 		nbytes = __cbc_encrypt(desc, &walk);  in cbc_encrypt()
185 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_encrypt()
196 	unsigned int nbytes = walk->nbytes;  in __cbc_decrypt()  local
203 	src += nbytes / bsize - 1;  in __cbc_decrypt()
204 	dst += nbytes / bsize - 1;  in __cbc_decrypt()
209 	if (nbytes >= bsize * 3) {  in __cbc_decrypt()
211 			nbytes -= bsize * 3 - bsize;  in __cbc_decrypt()
223 			nbytes -= bsize;  in __cbc_decrypt()
224 			if (nbytes < bsize)  in __cbc_decrypt()
230 		} while (nbytes >= bsize * 3);  in __cbc_decrypt()
237 		nbytes -= bsize;  in __cbc_decrypt()
238 		if (nbytes < bsize)  in __cbc_decrypt()
250 	return nbytes;  in __cbc_decrypt()
254 		       struct scatterlist *src, unsigned int nbytes)  in cbc_decrypt()  argument
259 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_decrypt()
262 	while ((nbytes = walk.nbytes)) {  in cbc_decrypt()
263 		nbytes = __cbc_decrypt(desc, &walk);  in cbc_decrypt()
264 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_decrypt()
277 	unsigned int nbytes = walk->nbytes;  in ctr_crypt_final()  local
280 	crypto_xor(keystream, src, nbytes);  in ctr_crypt_final()
281 	memcpy(dst, keystream, nbytes);  in ctr_crypt_final()
291 	unsigned int nbytes = walk->nbytes;  in __ctr_crypt()  local
298 	if (nbytes >= bsize * 3) {  in __ctr_crypt()
314 		} while ((nbytes -= bsize * 3) >= bsize * 3);  in __ctr_crypt()
316 		if (nbytes < bsize)  in __ctr_crypt()
330 	} while ((nbytes -= bsize) >= bsize);  in __ctr_crypt()
334 	return nbytes;  in __ctr_crypt()
338 		     struct scatterlist *src, unsigned int nbytes)  in ctr_crypt()  argument
343 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ctr_crypt()
346 	while ((nbytes = walk.nbytes) >= DES3_EDE_BLOCK_SIZE) {  in ctr_crypt()
347 		nbytes = __ctr_crypt(desc, &walk);  in ctr_crypt()
348 		err = blkcipher_walk_done(desc, &walk, nbytes);  in ctr_crypt()
351 	if (walk.nbytes) {  in ctr_crypt()