NFS: Clean up nfs_parse_security_flavors()

				      struct nfs_parsed_mount_data *mnt)

{

	substring_t args[MAX_OPT_ARGS];

	rpc_authflavor_t pseudoflavor;

	dfprintk(MOUNT, "NFS: parsing sec=%s option\n", value);

	switch (match_token(value, nfs_secflavor_tokens, args)) {

	case Opt_sec_none:

		mnt->auth_flavors[0] = RPC_AUTH_NULL;

		pseudoflavor = RPC_AUTH_NULL;

		break;

	case Opt_sec_sys:

		mnt->auth_flavors[0] = RPC_AUTH_UNIX;

		pseudoflavor = RPC_AUTH_UNIX;

		break;

	case Opt_sec_krb5:

		mnt->auth_flavors[0] = RPC_AUTH_GSS_KRB5;

		pseudoflavor = RPC_AUTH_GSS_KRB5;

		break;

	case Opt_sec_krb5i:

		mnt->auth_flavors[0] = RPC_AUTH_GSS_KRB5I;

		pseudoflavor = RPC_AUTH_GSS_KRB5I;

		break;

	case Opt_sec_krb5p:

		mnt->auth_flavors[0] = RPC_AUTH_GSS_KRB5P;

		pseudoflavor = RPC_AUTH_GSS_KRB5P;

		break;

	case Opt_sec_lkey:

		mnt->auth_flavors[0] = RPC_AUTH_GSS_LKEY;

		pseudoflavor = RPC_AUTH_GSS_LKEY;

		break;

	case Opt_sec_lkeyi:

		mnt->auth_flavors[0] = RPC_AUTH_GSS_LKEYI;

		pseudoflavor = RPC_AUTH_GSS_LKEYI;

		break;

	case Opt_sec_lkeyp:

		mnt->auth_flavors[0] = RPC_AUTH_GSS_LKEYP;

		pseudoflavor = RPC_AUTH_GSS_LKEYP;

		break;

	case Opt_sec_spkm:

		mnt->auth_flavors[0] = RPC_AUTH_GSS_SPKM;

		pseudoflavor = RPC_AUTH_GSS_SPKM;

		break;

	case Opt_sec_spkmi:

		mnt->auth_flavors[0] = RPC_AUTH_GSS_SPKMI;

		pseudoflavor = RPC_AUTH_GSS_SPKMI;

		break;

	case Opt_sec_spkmp:

		mnt->auth_flavors[0] = RPC_AUTH_GSS_SPKMP;

		pseudoflavor = RPC_AUTH_GSS_SPKMP;

		break;

	default:

		return 0;

	}

	mnt->flags |= NFS_MOUNT_SECFLAVOUR;

	mnt->auth_flavor_len = 1;

	nfs_set_auth_parsed_mount_data(mnt, pseudoflavor);

	return 1;

}