55 static void crypto_ctr_crypt_final(struct blkcipher_walk *walk,  in crypto_ctr_crypt_final()  argument
60 	u8 *ctrblk = walk->iv;  in crypto_ctr_crypt_final()
63 	u8 *src = walk->src.virt.addr;  in crypto_ctr_crypt_final()
64 	u8 *dst = walk->dst.virt.addr;  in crypto_ctr_crypt_final()
65 	unsigned int nbytes = walk->nbytes;  in crypto_ctr_crypt_final()
74 static int crypto_ctr_crypt_segment(struct blkcipher_walk *walk,  in crypto_ctr_crypt_segment()  argument
80 	u8 *ctrblk = walk->iv;  in crypto_ctr_crypt_segment()
81 	u8 *src = walk->src.virt.addr;  in crypto_ctr_crypt_segment()
82 	u8 *dst = walk->dst.virt.addr;  in crypto_ctr_crypt_segment()
83 	unsigned int nbytes = walk->nbytes;  in crypto_ctr_crypt_segment()
100 static int crypto_ctr_crypt_inplace(struct blkcipher_walk *walk,  in crypto_ctr_crypt_inplace()  argument
107 	unsigned int nbytes = walk->nbytes;  in crypto_ctr_crypt_inplace()
108 	u8 *ctrblk = walk->iv;  in crypto_ctr_crypt_inplace()
109 	u8 *src = walk->src.virt.addr;  in crypto_ctr_crypt_inplace()
131 	struct blkcipher_walk walk;  in crypto_ctr_crypt()  local
138 	blkcipher_walk_init(&walk, dst, src, nbytes);  in crypto_ctr_crypt()
139 	err = blkcipher_walk_virt_block(desc, &walk, bsize);  in crypto_ctr_crypt()
141 	while (walk.nbytes >= bsize) {  in crypto_ctr_crypt()
142 		if (walk.src.virt.addr == walk.dst.virt.addr)  in crypto_ctr_crypt()
143 			nbytes = crypto_ctr_crypt_inplace(&walk, child);  in crypto_ctr_crypt()
145 			nbytes = crypto_ctr_crypt_segment(&walk, child);  in crypto_ctr_crypt()
147 		err = blkcipher_walk_done(desc, &walk, nbytes);  in crypto_ctr_crypt()
150 	if (walk.nbytes) {  in crypto_ctr_crypt()
151 		crypto_ctr_crypt_final(&walk, child);  in crypto_ctr_crypt()
152 		err = blkcipher_walk_done(desc, &walk, 0);  in crypto_ctr_crypt()