49 static void crypto_ctr_crypt_final(struct blkcipher_walk *walk,  in crypto_ctr_crypt_final()  argument
54 	u8 *ctrblk = walk->iv;  in crypto_ctr_crypt_final()
57 	u8 *src = walk->src.virt.addr;  in crypto_ctr_crypt_final()
58 	u8 *dst = walk->dst.virt.addr;  in crypto_ctr_crypt_final()
59 	unsigned int nbytes = walk->nbytes;  in crypto_ctr_crypt_final()
68 static int crypto_ctr_crypt_segment(struct blkcipher_walk *walk,  in crypto_ctr_crypt_segment()  argument
74 	u8 *ctrblk = walk->iv;  in crypto_ctr_crypt_segment()
75 	u8 *src = walk->src.virt.addr;  in crypto_ctr_crypt_segment()
76 	u8 *dst = walk->dst.virt.addr;  in crypto_ctr_crypt_segment()
77 	unsigned int nbytes = walk->nbytes;  in crypto_ctr_crypt_segment()
94 static int crypto_ctr_crypt_inplace(struct blkcipher_walk *walk,  in crypto_ctr_crypt_inplace()  argument
101 	unsigned int nbytes = walk->nbytes;  in crypto_ctr_crypt_inplace()
102 	u8 *ctrblk = walk->iv;  in crypto_ctr_crypt_inplace()
103 	u8 *src = walk->src.virt.addr;  in crypto_ctr_crypt_inplace()
125 	struct blkcipher_walk walk;  in crypto_ctr_crypt()  local
132 	blkcipher_walk_init(&walk, dst, src, nbytes);  in crypto_ctr_crypt()
133 	err = blkcipher_walk_virt_block(desc, &walk, bsize);  in crypto_ctr_crypt()
135 	while (walk.nbytes >= bsize) {  in crypto_ctr_crypt()
136 		if (walk.src.virt.addr == walk.dst.virt.addr)  in crypto_ctr_crypt()
137 			nbytes = crypto_ctr_crypt_inplace(&walk, child);  in crypto_ctr_crypt()
139 			nbytes = crypto_ctr_crypt_segment(&walk, child);  in crypto_ctr_crypt()
141 		err = blkcipher_walk_done(desc, &walk, nbytes);  in crypto_ctr_crypt()
144 	if (walk.nbytes) {  in crypto_ctr_crypt()
145 		crypto_ctr_crypt_final(&walk, child);  in crypto_ctr_crypt()
146 		err = blkcipher_walk_done(desc, &walk, 0);  in crypto_ctr_crypt()