214 	int result = 0;  in wusb_ccm_mac()  local
231 	result = -ENOMEM;  in wusb_ccm_mac()
269 	result = crypto_skcipher_encrypt(req);  in wusb_ccm_mac()
271 	if (result < 0) {  in wusb_ccm_mac()
273 		       result);  in wusb_ccm_mac()
291 	result = 8;  in wusb_ccm_mac()
295 	return result;  in wusb_ccm_mac()
309 	ssize_t result, bytes = 0, bitr;  in wusb_prf()  local
319 		result = PTR_ERR(tfm_cbc);  in wusb_prf()
320 		printk(KERN_ERR "E: can't load CBC(AES): %d\n", (int)result);  in wusb_prf()
323 	result = crypto_skcipher_setkey(tfm_cbc, key, 16);  in wusb_prf()
324 	if (result < 0) {  in wusb_prf()
325 		printk(KERN_ERR "E: can't set CBC key: %d\n", (int)result);  in wusb_prf()
331 		result = PTR_ERR(tfm_aes);  in wusb_prf()
332 		printk(KERN_ERR "E: can't load AES: %d\n", (int)result);  in wusb_prf()
335 	result = crypto_cipher_setkey(tfm_aes, key, 16);  in wusb_prf()
336 	if (result < 0) {  in wusb_prf()
337 		printk(KERN_ERR "E: can't set AES key: %d\n", (int)result);  in wusb_prf()
342 		result = -ENOMEM;  in wusb_prf()
349 		result = wusb_ccm_mac(tfm_cbc, tfm_aes, scratch, out + bytes,  in wusb_prf()
351 		if (result < 0)  in wusb_prf()
353 		bytes += result;  in wusb_prf()
355 	result = bytes;  in wusb_prf()
366 	return result;  in wusb_prf()
388 	int result;  in wusb_oob_mic_verify()  local
411 	result = wusb_oob_mic(mic, stv_hsmic_key, &stv_hsmic_n, &stv_hsmic_hs);  in wusb_oob_mic_verify()
412 	if (result < 0)  in wusb_oob_mic_verify()
413 		printk(KERN_ERR "E: WUSB OOB MIC test: failed: %d\n", result);  in wusb_oob_mic_verify()
427 		result = -EINVAL;  in wusb_oob_mic_verify()
429 		result = 0;  in wusb_oob_mic_verify()
430 	return result;  in wusb_oob_mic_verify()
468 	int result = 0;  in wusb_key_derive_verify()  local
485 	result = wusb_key_derive(&keydvt_out, stv_key_a1, &stv_keydvt_n_a1,  in wusb_key_derive_verify()
487 	if (result < 0)  in wusb_key_derive_verify()
489 		       "derivation failed: %d\n", result);  in wusb_key_derive_verify()
504 		result = -EINVAL;  in wusb_key_derive_verify()
506 		result = 0;  in wusb_key_derive_verify()
507 	return result;  in wusb_key_derive_verify()
518 	int result;  in wusb_crypto_init()  local
521 		result = wusb_key_derive_verify();  in wusb_crypto_init()
522 		if (result < 0)  in wusb_crypto_init()
523 			return result;  in wusb_crypto_init()