27 	struct skcipher_walk walk;  in crypto_ctr_encrypt_walk()  local
34 	err = skcipher_walk_virt(&walk, req, false);  in crypto_ctr_encrypt_walk()
36 	while (walk.nbytes > 0) {  in crypto_ctr_encrypt_walk()
37 		u8 *dst = walk.dst.virt.addr;  in crypto_ctr_encrypt_walk()
38 		u8 *src = walk.src.virt.addr;  in crypto_ctr_encrypt_walk()
39 		int nbytes = walk.nbytes;  in crypto_ctr_encrypt_walk()
42 		if (nbytes < walk.total) {  in crypto_ctr_encrypt_walk()
43 			tail = walk.nbytes & (blocksize - 1);  in crypto_ctr_encrypt_walk()
50 			fn(tfm, walk.iv, buf);  in crypto_ctr_encrypt_walk()
53 			crypto_inc(walk.iv, blocksize);  in crypto_ctr_encrypt_walk()
60 		err = skcipher_walk_done(&walk, tail);  in crypto_ctr_encrypt_walk()