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-rw-r--r--fs/nfs/super.c142
1 files changed, 108 insertions, 34 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index a2b2805caf9d..b798ed1bd36d 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -139,22 +139,22 @@ static const match_table_t nfs_mount_option_tokens = {
139 { Opt_fscache_uniq, "fsc=%s" }, 139 { Opt_fscache_uniq, "fsc=%s" },
140 { Opt_nofscache, "nofsc" }, 140 { Opt_nofscache, "nofsc" },
141 141
142 { Opt_port, "port=%u" }, 142 { Opt_port, "port=%s" },
143 { Opt_rsize, "rsize=%u" }, 143 { Opt_rsize, "rsize=%s" },
144 { Opt_wsize, "wsize=%u" }, 144 { Opt_wsize, "wsize=%s" },
145 { Opt_bsize, "bsize=%u" }, 145 { Opt_bsize, "bsize=%s" },
146 { Opt_timeo, "timeo=%u" }, 146 { Opt_timeo, "timeo=%s" },
147 { Opt_retrans, "retrans=%u" }, 147 { Opt_retrans, "retrans=%s" },
148 { Opt_acregmin, "acregmin=%u" }, 148 { Opt_acregmin, "acregmin=%s" },
149 { Opt_acregmax, "acregmax=%u" }, 149 { Opt_acregmax, "acregmax=%s" },
150 { Opt_acdirmin, "acdirmin=%u" }, 150 { Opt_acdirmin, "acdirmin=%s" },
151 { Opt_acdirmax, "acdirmax=%u" }, 151 { Opt_acdirmax, "acdirmax=%s" },
152 { Opt_actimeo, "actimeo=%u" }, 152 { Opt_actimeo, "actimeo=%s" },
153 { Opt_namelen, "namlen=%u" }, 153 { Opt_namelen, "namlen=%s" },
154 { Opt_mountport, "mountport=%u" }, 154 { Opt_mountport, "mountport=%s" },
155 { Opt_mountvers, "mountvers=%u" }, 155 { Opt_mountvers, "mountvers=%s" },
156 { Opt_nfsvers, "nfsvers=%u" }, 156 { Opt_nfsvers, "nfsvers=%s" },
157 { Opt_nfsvers, "vers=%u" }, 157 { Opt_nfsvers, "vers=%s" },
158 158
159 { Opt_sec, "sec=%s" }, 159 { Opt_sec, "sec=%s" },
160 { Opt_proto, "proto=%s" }, 160 { Opt_proto, "proto=%s" },
@@ -976,7 +976,8 @@ static int nfs_parse_mount_options(char *raw,
976 976
977 while ((p = strsep(&raw, ",")) != NULL) { 977 while ((p = strsep(&raw, ",")) != NULL) {
978 substring_t args[MAX_OPT_ARGS]; 978 substring_t args[MAX_OPT_ARGS];
979 int option, token; 979 unsigned long option;
980 int token;
980 981
981 if (!*p) 982 if (!*p)
982 continue; 983 continue;
@@ -1085,82 +1086,155 @@ static int nfs_parse_mount_options(char *raw,
1085 * options that take numeric values 1086 * options that take numeric values
1086 */ 1087 */
1087 case Opt_port: 1088 case Opt_port:
1088 if (match_int(args, &option) || 1089 string = match_strdup(args);
1089 option < 0 || option > USHORT_MAX) 1090 if (string == NULL)
1091 goto out_nomem;
1092 rc = strict_strtoul(string, 10, &option);
1093 kfree(string);
1094 if (rc != 0 || option > USHORT_MAX)
1090 goto out_invalid_value; 1095 goto out_invalid_value;
1091 mnt->nfs_server.port = option; 1096 mnt->nfs_server.port = option;
1092 break; 1097 break;
1093 case Opt_rsize: 1098 case Opt_rsize:
1094 if (match_int(args, &option) || option < 0) 1099 string = match_strdup(args);
1100 if (string == NULL)
1101 goto out_nomem;
1102 rc = strict_strtoul(string, 10, &option);
1103 kfree(string);
1104 if (rc != 0)
1095 goto out_invalid_value; 1105 goto out_invalid_value;
1096 mnt->rsize = option; 1106 mnt->rsize = option;
1097 break; 1107 break;
1098 case Opt_wsize: 1108 case Opt_wsize:
1099 if (match_int(args, &option) || option < 0) 1109 string = match_strdup(args);
1110 if (string == NULL)
1111 goto out_nomem;
1112 rc = strict_strtoul(string, 10, &option);
1113 kfree(string);
1114 if (rc != 0)
1100 goto out_invalid_value; 1115 goto out_invalid_value;
1101 mnt->wsize = option; 1116 mnt->wsize = option;
1102 break; 1117 break;
1103 case Opt_bsize: 1118 case Opt_bsize:
1104 if (match_int(args, &option) || option < 0) 1119 string = match_strdup(args);
1120 if (string == NULL)
1121 goto out_nomem;
1122 rc = strict_strtoul(string, 10, &option);
1123 kfree(string);
1124 if (rc != 0)
1105 goto out_invalid_value; 1125 goto out_invalid_value;
1106 mnt->bsize = option; 1126 mnt->bsize = option;
1107 break; 1127 break;
1108 case Opt_timeo: 1128 case Opt_timeo:
1109 if (match_int(args, &option) || option <= 0) 1129 string = match_strdup(args);
1130 if (string == NULL)
1131 goto out_nomem;
1132 rc = strict_strtoul(string, 10, &option);
1133 kfree(string);
1134 if (rc != 0 || option == 0)
1110 goto out_invalid_value; 1135 goto out_invalid_value;
1111 mnt->timeo = option; 1136 mnt->timeo = option;
1112 break; 1137 break;
1113 case Opt_retrans: 1138 case Opt_retrans:
1114 if (match_int(args, &option) || option <= 0) 1139 string = match_strdup(args);
1140 if (string == NULL)
1141 goto out_nomem;
1142 rc = strict_strtoul(string, 10, &option);
1143 kfree(string);
1144 if (rc != 0 || option == 0)
1115 goto out_invalid_value; 1145 goto out_invalid_value;
1116 mnt->retrans = option; 1146 mnt->retrans = option;
1117 break; 1147 break;
1118 case Opt_acregmin: 1148 case Opt_acregmin:
1119 if (match_int(args, &option) || option < 0) 1149 string = match_strdup(args);
1150 if (string == NULL)
1151 goto out_nomem;
1152 rc = strict_strtoul(string, 10, &option);
1153 kfree(string);
1154 if (rc != 0)
1120 goto out_invalid_value; 1155 goto out_invalid_value;
1121 mnt->acregmin = option; 1156 mnt->acregmin = option;
1122 break; 1157 break;
1123 case Opt_acregmax: 1158 case Opt_acregmax:
1124 if (match_int(args, &option) || option < 0) 1159 string = match_strdup(args);
1160 if (string == NULL)
1161 goto out_nomem;
1162 rc = strict_strtoul(string, 10, &option);
1163 kfree(string);
1164 if (rc != 0)
1125 goto out_invalid_value; 1165 goto out_invalid_value;
1126 mnt->acregmax = option; 1166 mnt->acregmax = option;
1127 break; 1167 break;
1128 case Opt_acdirmin: 1168 case Opt_acdirmin:
1129 if (match_int(args, &option) || option < 0) 1169 string = match_strdup(args);
1170 if (string == NULL)
1171 goto out_nomem;
1172 rc = strict_strtoul(string, 10, &option);
1173 kfree(string);
1174 if (rc != 0)
1130 goto out_invalid_value; 1175 goto out_invalid_value;
1131 mnt->acdirmin = option; 1176 mnt->acdirmin = option;
1132 break; 1177 break;
1133 case Opt_acdirmax: 1178 case Opt_acdirmax:
1134 if (match_int(args, &option) || option < 0) 1179 string = match_strdup(args);
1180 if (string == NULL)
1181 goto out_nomem;
1182 rc = strict_strtoul(string, 10, &option);
1183 kfree(string);
1184 if (rc != 0)
1135 goto out_invalid_value; 1185 goto out_invalid_value;
1136 mnt->acdirmax = option; 1186 mnt->acdirmax = option;
1137 break; 1187 break;
1138 case Opt_actimeo: 1188 case Opt_actimeo:
1139 if (match_int(args, &option) || option < 0) 1189 string = match_strdup(args);
1190 if (string == NULL)
1191 goto out_nomem;
1192 rc = strict_strtoul(string, 10, &option);
1193 kfree(string);
1194 if (rc != 0)
1140 goto out_invalid_value; 1195 goto out_invalid_value;
1141 mnt->acregmin = mnt->acregmax = 1196 mnt->acregmin = mnt->acregmax =
1142 mnt->acdirmin = mnt->acdirmax = option; 1197 mnt->acdirmin = mnt->acdirmax = option;
1143 break; 1198 break;
1144 case Opt_namelen: 1199 case Opt_namelen:
1145 if (match_int(args, &option) || option < 0) 1200 string = match_strdup(args);
1201 if (string == NULL)
1202 goto out_nomem;
1203 rc = strict_strtoul(string, 10, &option);
1204 kfree(string);
1205 if (rc != 0)
1146 goto out_invalid_value; 1206 goto out_invalid_value;
1147 mnt->namlen = option; 1207 mnt->namlen = option;
1148 break; 1208 break;
1149 case Opt_mountport: 1209 case Opt_mountport:
1150 if (match_int(args, &option) || 1210 string = match_strdup(args);
1151 option < 0 || option > USHORT_MAX) 1211 if (string == NULL)
1212 goto out_nomem;
1213 rc = strict_strtoul(string, 10, &option);
1214 kfree(string);
1215 if (rc != 0 || option > USHORT_MAX)
1152 goto out_invalid_value; 1216 goto out_invalid_value;
1153 mnt->mount_server.port = option; 1217 mnt->mount_server.port = option;
1154 break; 1218 break;
1155 case Opt_mountvers: 1219 case Opt_mountvers:
1156 if (match_int(args, &option) || 1220 string = match_strdup(args);
1221 if (string == NULL)
1222 goto out_nomem;
1223 rc = strict_strtoul(string, 10, &option);
1224 kfree(string);
1225 if (rc != 0 ||
1157 option < NFS_MNT_VERSION || 1226 option < NFS_MNT_VERSION ||
1158 option > NFS_MNT3_VERSION) 1227 option > NFS_MNT3_VERSION)
1159 goto out_invalid_value; 1228 goto out_invalid_value;
1160 mnt->mount_server.version = option; 1229 mnt->mount_server.version = option;
1161 break; 1230 break;
1162 case Opt_nfsvers: 1231 case Opt_nfsvers:
1163 if (match_int(args, &option)) 1232 string = match_strdup(args);
1233 if (string == NULL)
1234 goto out_nomem;
1235 rc = strict_strtoul(string, 10, &option);
1236 kfree(string);
1237 if (rc != 0)
1164 goto out_invalid_value; 1238 goto out_invalid_value;
1165 switch (option) { 1239 switch (option) {
1166 case NFS2_VERSION: 1240 case NFS2_VERSION:
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-26 07:14:18 -0500