327 	struct nfs_parsed_mount_data *args, const char *dev_name);
1074 	substring_t args[MAX_OPT_ARGS];  in nfs_parse_security_flavors()  local
1081 		switch (match_token(p, nfs_secflavor_tokens, args)) {  in nfs_parse_security_flavors()
1130 		substring_t *args)  in nfs_parse_version_string()  argument
1133 	switch (match_token(string, nfs_vers_tokens, args)) {  in nfs_parse_version_string()
1166 static int nfs_get_option_str(substring_t args[], char **option)  in nfs_get_option_str()  argument
1169 	*option = match_strdup(args);  in nfs_get_option_str()
1173 static int nfs_get_option_ul(substring_t args[], unsigned long *option)  in nfs_get_option_ul()  argument
1178 	string = match_strdup(args);  in nfs_get_option_ul()
1222 		substring_t args[MAX_OPT_ARGS];  in nfs_parse_mount_options()  local
1231 		token = match_token(p, nfs_mount_option_tokens, args);  in nfs_parse_mount_options()
1329 			if (nfs_get_option_ul(args, &option) ||  in nfs_parse_mount_options()
1335 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1340 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1345 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1350 			if (nfs_get_option_ul(args, &option) || option == 0)  in nfs_parse_mount_options()
1355 			if (nfs_get_option_ul(args, &option) || option == 0)  in nfs_parse_mount_options()
1360 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1365 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1370 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1375 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1380 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1386 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1391 			if (nfs_get_option_ul(args, &option) ||  in nfs_parse_mount_options()
1397 			if (nfs_get_option_ul(args, &option) ||  in nfs_parse_mount_options()
1404 			if (nfs_get_option_ul(args, &option))  in nfs_parse_mount_options()
1415 			string = match_strdup(args);  in nfs_parse_mount_options()
1418 			rc = nfs_parse_version_string(string, mnt, args);  in nfs_parse_mount_options()
1424 			string = match_strdup(args);  in nfs_parse_mount_options()
1436 			string = match_strdup(args);  in nfs_parse_mount_options()
1440 					    nfs_xprt_protocol_tokens, args);  in nfs_parse_mount_options()
1471 			string = match_strdup(args);  in nfs_parse_mount_options()
1475 					    nfs_xprt_protocol_tokens, args);  in nfs_parse_mount_options()
1498 			string = match_strdup(args);  in nfs_parse_mount_options()
1511 			if (nfs_get_option_str(args, &mnt->client_address))  in nfs_parse_mount_options()
1515 			if (nfs_get_option_str(args,  in nfs_parse_mount_options()
1520 			string = match_strdup(args);  in nfs_parse_mount_options()
1533 			string = match_strdup(args);  in nfs_parse_mount_options()
1537 					nfs_lookupcache_tokens, args);  in nfs_parse_mount_options()
1557 			if (nfs_get_option_str(args, &mnt->fscache_uniq))  in nfs_parse_mount_options()
1562 			string = match_strdup(args);  in nfs_parse_mount_options()
1566 					args);  in nfs_parse_mount_options()
1675 static int nfs_verify_authflavors(struct nfs_parsed_mount_data *args,  in nfs_verify_authflavors()  argument
1692 		if (nfs_auth_info_match(&args->auth_info, flavor) ||  in nfs_verify_authflavors()
1702 	args->selected_flavor = flavor;  in nfs_verify_authflavors()
1703 	dfprintk(MOUNT, "NFS: using auth flavor %u\n", args->selected_flavor);  in nfs_verify_authflavors()
1711 static int nfs_request_mount(struct nfs_parsed_mount_data *args,  in nfs_request_mount()  argument
1718 						&args->mount_server.address,  in nfs_request_mount()
1719 		.dirpath	= args->nfs_server.export_path,  in nfs_request_mount()
1720 		.protocol	= args->mount_server.protocol,  in nfs_request_mount()
1722 		.noresvport	= args->flags & NFS_MOUNT_NORESVPORT,  in nfs_request_mount()
1725 		.net		= args->net,  in nfs_request_mount()
1729 	if (args->mount_server.version == 0) {  in nfs_request_mount()
1730 		switch (args->version) {  in nfs_request_mount()
1732 				args->mount_server.version = NFS_MNT3_VERSION;  in nfs_request_mount()
1735 				args->mount_server.version = NFS_MNT_VERSION;  in nfs_request_mount()
1738 	request.version = args->mount_server.version;  in nfs_request_mount()
1740 	if (args->mount_server.hostname)  in nfs_request_mount()
1741 		request.hostname = args->mount_server.hostname;  in nfs_request_mount()
1743 		request.hostname = args->nfs_server.hostname;  in nfs_request_mount()
1748 	if (args->mount_server.address.ss_family == AF_UNSPEC) {  in nfs_request_mount()
1749 		memcpy(request.sap, &args->nfs_server.address,  in nfs_request_mount()
1750 		       args->nfs_server.addrlen);  in nfs_request_mount()
1751 		args->mount_server.addrlen = args->nfs_server.addrlen;  in nfs_request_mount()
1753 	request.salen = args->mount_server.addrlen;  in nfs_request_mount()
1754 	nfs_set_port(request.sap, &args->mount_server.port, 0);  in nfs_request_mount()
1778 	struct nfs_parsed_mount_data *args = mount_info->parsed;  in nfs_try_mount_request()  local
1782 	status = nfs_request_mount(args, mount_info->mntfh, authlist,  in nfs_try_mount_request()
1791 	if (args->auth_info.flavor_len > 0) {  in nfs_try_mount_request()
1792 		status = nfs_verify_authflavors(args, authlist, authlist_len);  in nfs_try_mount_request()
1794 			 args->selected_flavor);  in nfs_try_mount_request()
1823 		args->selected_flavor = flavor;  in nfs_try_mount_request()
1839 	args->selected_flavor = RPC_AUTH_UNIX;  in nfs_try_mount_request()
1950 				     struct nfs_parsed_mount_data *args,  in nfs23_validate_mount_data()  argument
1955 	struct sockaddr *sap = (struct sockaddr *)&args->nfs_server.address;  in nfs23_validate_mount_data()
1961 	args->version = NFS_DEFAULT_VERSION;  in nfs23_validate_mount_data()
1984 			args->version = 3;  in nfs23_validate_mount_data()
1987 			args->version = 2;  in nfs23_validate_mount_data()
2000 		args->flags		= data->flags & NFS_MOUNT_FLAGMASK;  in nfs23_validate_mount_data()
2001 		args->flags		|= extra_flags;  in nfs23_validate_mount_data()
2002 		args->rsize		= data->rsize;  in nfs23_validate_mount_data()
2003 		args->wsize		= data->wsize;  in nfs23_validate_mount_data()
2004 		args->timeo		= data->timeo;  in nfs23_validate_mount_data()
2005 		args->retrans		= data->retrans;  in nfs23_validate_mount_data()
2006 		args->acregmin		= data->acregmin;  in nfs23_validate_mount_data()
2007 		args->acregmax		= data->acregmax;  in nfs23_validate_mount_data()
2008 		args->acdirmin		= data->acdirmin;  in nfs23_validate_mount_data()
2009 		args->acdirmax		= data->acdirmax;  in nfs23_validate_mount_data()
2010 		args->need_mount	= false;  in nfs23_validate_mount_data()
2013 		args->nfs_server.addrlen = sizeof(data->addr);  in nfs23_validate_mount_data()
2014 		args->nfs_server.port = ntohs(data->addr.sin_port);  in nfs23_validate_mount_data()
2019 			args->nfs_server.protocol = XPRT_TRANSPORT_UDP;  in nfs23_validate_mount_data()
2021 		args->nfs_server.hostname = kstrdup(data->hostname, GFP_KERNEL);  in nfs23_validate_mount_data()
2022 		args->namlen		= data->namlen;  in nfs23_validate_mount_data()
2023 		args->bsize		= data->bsize;  in nfs23_validate_mount_data()
2026 			args->selected_flavor = data->pseudoflavor;  in nfs23_validate_mount_data()
2028 			args->selected_flavor = RPC_AUTH_UNIX;  in nfs23_validate_mount_data()
2029 		if (!args->nfs_server.hostname)  in nfs23_validate_mount_data()
2033 			args->flags &= ~(NFS_MOUNT_LOCAL_FLOCK|  in nfs23_validate_mount_data()
2036 			args->flags |= (NFS_MOUNT_LOCAL_FLOCK|  in nfs23_validate_mount_data()
2055 			rc = security_sb_parse_opts_str(opts_str, &args->lsm_opts);  in nfs23_validate_mount_data()
2100 				   struct nfs_parsed_mount_data *args,  in nfs_validate_mount_data()  argument
2105 		return nfs23_validate_mount_data(options, args, mntfh, dev_name);  in nfs_validate_mount_data()
2106 	return nfs4_validate_mount_data(options, args, dev_name);  in nfs_validate_mount_data()
2111 				   struct nfs_parsed_mount_data *args,  in nfs_validate_mount_data()  argument
2115 	return nfs23_validate_mount_data(options, args, mntfh, dev_name);  in nfs_validate_mount_data()
2120 					struct nfs_parsed_mount_data *args,  in nfs_validate_text_mount_data()  argument
2126 	struct sockaddr *sap = (struct sockaddr *)&args->nfs_server.address;  in nfs_validate_text_mount_data()
2128 	if (nfs_parse_mount_options((char *)options, args) == 0)  in nfs_validate_text_mount_data()
2134 	if (args->version == 4) {  in nfs_validate_text_mount_data()
2139 		nfs_validate_transport_protocol(args);  in nfs_validate_text_mount_data()
2140 		if (args->nfs_server.protocol == XPRT_TRANSPORT_UDP)  in nfs_validate_text_mount_data()
2142 		nfs4_validate_mount_flags(args);  in nfs_validate_text_mount_data()
2147 		nfs_set_mount_transport_protocol(args);  in nfs_validate_text_mount_data()
2149 	nfs_set_port(sap, &args->nfs_server.port, port);  in nfs_validate_text_mount_data()
2152 				   &args->nfs_server.hostname,  in nfs_validate_text_mount_data()
2154 				   &args->nfs_server.export_path,  in nfs_validate_text_mount_data()
2704 static void nfs4_validate_mount_flags(struct nfs_parsed_mount_data *args)  in nfs4_validate_mount_flags()  argument
2706 	args->flags &= ~(NFS_MOUNT_NONLM|NFS_MOUNT_NOACL|NFS_MOUNT_VER3|  in nfs4_validate_mount_flags()
2714 				    struct nfs_parsed_mount_data *args,  in nfs4_validate_mount_data()  argument
2717 	struct sockaddr *sap = (struct sockaddr *)&args->nfs_server.address;  in nfs4_validate_mount_data()
2724 	args->version = 4;  in nfs4_validate_mount_data()
2728 		if (data->host_addrlen > sizeof(args->nfs_server.address))  in nfs4_validate_mount_data()
2732 		args->nfs_server.addrlen = data->host_addrlen;  in nfs4_validate_mount_data()
2737 		args->nfs_server.port = ntohs(((struct sockaddr_in *)sap)->sin_port);  in nfs4_validate_mount_data()
2747 			args->selected_flavor = pseudoflavor;  in nfs4_validate_mount_data()
2749 			args->selected_flavor = RPC_AUTH_UNIX;  in nfs4_validate_mount_data()
2754 		args->nfs_server.hostname = c;  in nfs4_validate_mount_data()
2759 		args->nfs_server.export_path = c;  in nfs4_validate_mount_data()
2765 		args->client_address = c;  in nfs4_validate_mount_data()
2772 		args->flags	= data->flags & NFS4_MOUNT_FLAGMASK;  in nfs4_validate_mount_data()
2773 		args->rsize	= data->rsize;  in nfs4_validate_mount_data()
2774 		args->wsize	= data->wsize;  in nfs4_validate_mount_data()
2775 		args->timeo	= data->timeo;  in nfs4_validate_mount_data()
2776 		args->retrans	= data->retrans;  in nfs4_validate_mount_data()
2777 		args->acregmin	= data->acregmin;  in nfs4_validate_mount_data()
2778 		args->acregmax	= data->acregmax;  in nfs4_validate_mount_data()
2779 		args->acdirmin	= data->acdirmin;  in nfs4_validate_mount_data()
2780 		args->acdirmax	= data->acdirmax;  in nfs4_validate_mount_data()
2781 		args->nfs_server.protocol = data->proto;  in nfs4_validate_mount_data()
2782 		nfs_validate_transport_protocol(args);  in nfs4_validate_mount_data()
2783 		if (args->nfs_server.protocol == XPRT_TRANSPORT_UDP)  in nfs4_validate_mount_data()