205 				 char __user *buffer, size_t buflen,  in keyctl_dh_compute_kdf()  argument
210 	size_t outbuf_len = roundup(buflen,  in keyctl_dh_compute_kdf()
223 	ret = buflen;  in keyctl_dh_compute_kdf()
224 	if (copy_to_user(buffer, outbuf, buflen) != 0)  in keyctl_dh_compute_kdf()
233 			 char __user *buffer, size_t buflen,  in __keyctl_dh_compute()  argument
250 	if (!params || (!buffer && buflen)) {  in __keyctl_dh_compute()
267 		if (buflen > KEYCTL_KDF_MAX_OUTPUT_LEN ||  in __keyctl_dh_compute()
337 		if (buflen == 0) {  in __keyctl_dh_compute()
340 		} else if (outlen > buflen) {  in __keyctl_dh_compute()
391 		ret = keyctl_dh_compute_kdf(sdesc, buffer, buflen, outbuf,  in __keyctl_dh_compute()
416 		       char __user *buffer, size_t buflen,  in keyctl_dh_compute()  argument
422 		return __keyctl_dh_compute(params, buffer, buflen, NULL);  in keyctl_dh_compute()
427 	return __keyctl_dh_compute(params, buffer, buflen, &kdfcopy);  in keyctl_dh_compute()