200 				 char __user *buffer, size_t buflen,  in keyctl_dh_compute_kdf()  argument
205 	size_t outbuf_len = roundup(buflen,  in keyctl_dh_compute_kdf()
218 	ret = buflen;  in keyctl_dh_compute_kdf()
219 	if (copy_to_user(buffer, outbuf, buflen) != 0)  in keyctl_dh_compute_kdf()
228 			 char __user *buffer, size_t buflen,  in __keyctl_dh_compute()  argument
245 	if (!params || (!buffer && buflen)) {  in __keyctl_dh_compute()
262 		if (buflen > KEYCTL_KDF_MAX_OUTPUT_LEN ||  in __keyctl_dh_compute()
332 		if (buflen == 0) {  in __keyctl_dh_compute()
335 		} else if (outlen > buflen) {  in __keyctl_dh_compute()
386 		ret = keyctl_dh_compute_kdf(sdesc, buffer, buflen, outbuf,  in __keyctl_dh_compute()
411 		       char __user *buffer, size_t buflen,  in keyctl_dh_compute()  argument
417 		return __keyctl_dh_compute(params, buffer, buflen, NULL);  in keyctl_dh_compute()
422 	return __keyctl_dh_compute(params, buffer, buflen, &kdfcopy);  in keyctl_dh_compute()