86 	unsigned int nbytes;  in ecb_crypt()  local
91 	while ((nbytes = walk->nbytes)) {  in ecb_crypt()
96 		if (nbytes >= bsize * 4) {  in ecb_crypt()
102 				nbytes -= bsize * 4;  in ecb_crypt()
103 			} while (nbytes >= bsize * 4);  in ecb_crypt()
105 			if (nbytes < bsize)  in ecb_crypt()
115 			nbytes -= bsize;  in ecb_crypt()
116 		} while (nbytes >= bsize);  in ecb_crypt()
119 		err = blkcipher_walk_done(desc, walk, nbytes);  in ecb_crypt()
126 		       struct scatterlist *src, unsigned int nbytes)  in ecb_encrypt()  argument
130 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_encrypt()
135 		       struct scatterlist *src, unsigned int nbytes)  in ecb_decrypt()  argument
139 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ecb_decrypt()
148 	unsigned int nbytes = walk->nbytes;  in __cbc_encrypt()  local
160 		nbytes -= bsize;  in __cbc_encrypt()
161 	} while (nbytes >= bsize);  in __cbc_encrypt()
164 	return nbytes;  in __cbc_encrypt()
168 		       struct scatterlist *src, unsigned int nbytes)  in cbc_encrypt()  argument
173 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_encrypt()
176 	while ((nbytes = walk.nbytes)) {  in cbc_encrypt()
177 		nbytes = __cbc_encrypt(desc, &walk);  in cbc_encrypt()
178 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_encrypt()
189 	unsigned int nbytes = walk->nbytes;  in __cbc_decrypt()  local
196 	src += nbytes / bsize - 1;  in __cbc_decrypt()
197 	dst += nbytes / bsize - 1;  in __cbc_decrypt()
202 	if (nbytes >= bsize * 4) {  in __cbc_decrypt()
204 			nbytes -= bsize * 4 - bsize;  in __cbc_decrypt()
218 			nbytes -= bsize;  in __cbc_decrypt()
219 			if (nbytes < bsize)  in __cbc_decrypt()
225 		} while (nbytes >= bsize * 4);  in __cbc_decrypt()
227 		if (nbytes < bsize)  in __cbc_decrypt()
235 		nbytes -= bsize;  in __cbc_decrypt()
236 		if (nbytes < bsize)  in __cbc_decrypt()
248 	return nbytes;  in __cbc_decrypt()
252 		       struct scatterlist *src, unsigned int nbytes)  in cbc_decrypt()  argument
257 	blkcipher_walk_init(&walk, dst, src, nbytes);  in cbc_decrypt()
260 	while ((nbytes = walk.nbytes)) {  in cbc_decrypt()
261 		nbytes = __cbc_decrypt(desc, &walk);  in cbc_decrypt()
262 		err = blkcipher_walk_done(desc, &walk, nbytes);  in cbc_decrypt()
274 	unsigned int nbytes = walk->nbytes;  in ctr_crypt_final()  local
277 	crypto_xor(keystream, src, nbytes);  in ctr_crypt_final()
278 	memcpy(dst, keystream, nbytes);  in ctr_crypt_final()
288 	unsigned int nbytes = walk->nbytes;  in __ctr_crypt()  local
295 	if (nbytes >= bsize * 4) {  in __ctr_crypt()
315 		} while ((nbytes -= bsize * 4) >= bsize * 4);  in __ctr_crypt()
317 		if (nbytes < bsize)  in __ctr_crypt()
332 	} while ((nbytes -= bsize) >= bsize);  in __ctr_crypt()
336 	return nbytes;  in __ctr_crypt()
340 		     struct scatterlist *src, unsigned int nbytes)  in ctr_crypt()  argument
345 	blkcipher_walk_init(&walk, dst, src, nbytes);  in ctr_crypt()
348 	while ((nbytes = walk.nbytes) >= BF_BLOCK_SIZE) {  in ctr_crypt()
349 		nbytes = __ctr_crypt(desc, &walk);  in ctr_crypt()
350 		err = blkcipher_walk_done(desc, &walk, nbytes);  in ctr_crypt()
353 	if (walk.nbytes) {  in ctr_crypt()