NFSD: Replace READ* macros in nfsd4_decode_nl4_server()

static __be32 nfsd4_decode_nl4_server(struct nfsd4_compoundargs *argp,

				      struct nl4_server *ns)

{

	DECODE_HEAD;

	struct nfs42_netaddr *naddr;

	__be32 *p;

	READ_BUF(4);

	ns->nl4_type = be32_to_cpup(p++);

	if (xdr_stream_decode_u32(argp->xdr, &ns->nl4_type) < 0)

		return nfserr_bad_xdr;

	/* currently support for 1 inter-server source server */

	switch (ns->nl4_type) {

	case NL4_NETADDR:

		naddr = &ns->u.nl4_addr;

		READ_BUF(4);

		naddr->netid_len = be32_to_cpup(p++);

		if (xdr_stream_decode_u32(argp->xdr, &naddr->netid_len) < 0)

			return nfserr_bad_xdr;

		if (naddr->netid_len > RPCBIND_MAXNETIDLEN)

			goto xdr_error;

			return nfserr_bad_xdr;

		READ_BUF(naddr->netid_len + 4); /* 4 for uaddr len */

		COPYMEM(naddr->netid, naddr->netid_len);

		p = xdr_inline_decode(argp->xdr, naddr->netid_len);

		if (!p)

			return nfserr_bad_xdr;

		memcpy(naddr->netid, p, naddr->netid_len);

		naddr->addr_len = be32_to_cpup(p++);

		if (xdr_stream_decode_u32(argp->xdr, &naddr->addr_len) < 0)

			return nfserr_bad_xdr;

		if (naddr->addr_len > RPCBIND_MAXUADDRLEN)

			goto xdr_error;

			return nfserr_bad_xdr;

		READ_BUF(naddr->addr_len);

		COPYMEM(naddr->addr, naddr->addr_len);

		p = xdr_inline_decode(argp->xdr, naddr->addr_len);

		if (!p)

			return nfserr_bad_xdr;

		memcpy(naddr->addr, p, naddr->addr_len);

		break;

	default:

		goto xdr_error;

		return nfserr_bad_xdr;

	}

	DECODE_TAIL;

	return nfs_ok;

}

static __be32