constify tables in kernel/sysctl_check.c

Remains the question whether it is intended that many, perhaps even large,
tables are compiled in without ever having a chance to get used, i.e.
whether there shouldn't #ifdef CONFIG_xxx get added.

[akpm@linux-foundation.org: fix cut-n-paste error]
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 75 insertions, 76 deletions

diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c
index 006365b69eaf..c09350d564f2 100644
--- a/kernel/sysctl_check.c
+++ b/kernel/sysctl_check.c
@@ -8,10 +8,10 @@
 struct trans_ctl_table {
         int                     ctl_name;
         const char              *procname;
-        struct trans_ctl_table  *child;
+        const struct trans_ctl_table *child;
 };
 
-static struct trans_ctl_table trans_random_table[] = {
+static const struct trans_ctl_table trans_random_table[] = {
         { RANDOM_POOLSIZE,      "poolsize" },
         { RANDOM_ENTROPY_COUNT, "entropy_avail" },
         { RANDOM_READ_THRESH,   "read_wakeup_threshold" },
@@ -21,13 +21,13 @@ static struct trans_ctl_table trans_random_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_pty_table[] = {
+static const struct trans_ctl_table trans_pty_table[] = {
         { PTY_MAX,              "max" },
         { PTY_NR,               "nr" },
         {}
 };
 
-static struct trans_ctl_table trans_kern_table[] = {
+static const struct trans_ctl_table trans_kern_table[] = {
         { KERN_OSTYPE,                  "ostype" },
         { KERN_OSRELEASE,               "osrelease" },
         /* KERN_OSREV not used */
@@ -107,7 +107,7 @@ static struct trans_ctl_table trans_kern_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_vm_table[] = {
+static const struct trans_ctl_table trans_vm_table[] = {
         { VM_OVERCOMMIT_MEMORY,         "overcommit_memory" },
         { VM_PAGE_CLUSTER,              "page-cluster" },
         { VM_DIRTY_BACKGROUND,          "dirty_background_ratio" },
@@ -139,7 +139,7 @@ static struct trans_ctl_table trans_vm_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_core_table[] = {
+static const struct trans_ctl_table trans_net_core_table[] = {
         { NET_CORE_WMEM_MAX,            "wmem_max" },
         { NET_CORE_RMEM_MAX,            "rmem_max" },
         { NET_CORE_WMEM_DEFAULT,        "wmem_default" },
@@ -165,14 +165,14 @@ static struct trans_ctl_table trans_net_core_table[] = {
         {},
 };
 
-static struct trans_ctl_table trans_net_unix_table[] = {
+static const struct trans_ctl_table trans_net_unix_table[] = {
         /* NET_UNIX_DESTROY_DELAY unused */
         /* NET_UNIX_DELETE_DELAY unused */
         { NET_UNIX_MAX_DGRAM_QLEN,      "max_dgram_qlen" },
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv4_route_table[] = {
+static const struct trans_ctl_table trans_net_ipv4_route_table[] = {
         { NET_IPV4_ROUTE_FLUSH,                 "flush" },
         { NET_IPV4_ROUTE_MIN_DELAY,             "min_delay" },
         { NET_IPV4_ROUTE_MAX_DELAY,             "max_delay" },
@@ -195,7 +195,7 @@ static struct trans_ctl_table trans_net_ipv4_route_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv4_conf_vars_table[] = {
+static const struct trans_ctl_table trans_net_ipv4_conf_vars_table[] = {
         { NET_IPV4_CONF_FORWARDING,             "forwarding" },
         { NET_IPV4_CONF_MC_FORWARDING,          "mc_forwarding" },
 
@@ -222,14 +222,14 @@ static struct trans_ctl_table trans_net_ipv4_conf_vars_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv4_conf_table[] = {
+static const struct trans_ctl_table trans_net_ipv4_conf_table[] = {
         { NET_PROTO_CONF_ALL,           "all",          trans_net_ipv4_conf_vars_table },
         { NET_PROTO_CONF_DEFAULT,       "default",      trans_net_ipv4_conf_vars_table },
         { 0, NULL, trans_net_ipv4_conf_vars_table },
         {}
 };
 
-static struct trans_ctl_table trans_net_neigh_vars_table[] = {
+static const struct trans_ctl_table trans_net_neigh_vars_table[] = {
         { NET_NEIGH_MCAST_SOLICIT,      "mcast_solicit" },
         { NET_NEIGH_UCAST_SOLICIT,      "ucast_solicit" },
         { NET_NEIGH_APP_SOLICIT,        "app_solicit" },
@@ -251,13 +251,13 @@ static struct trans_ctl_table trans_net_neigh_vars_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_neigh_table[] = {
+static const struct trans_ctl_table trans_net_neigh_table[] = {
         { NET_PROTO_CONF_DEFAULT, "default", trans_net_neigh_vars_table },
         { 0, NULL, trans_net_neigh_vars_table },
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv4_netfilter_table[] = {
+static const struct trans_ctl_table trans_net_ipv4_netfilter_table[] = {
         { NET_IPV4_NF_CONNTRACK_MAX,                            "ip_conntrack_max" },
 
         { NET_IPV4_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT,           "ip_conntrack_tcp_timeout_syn_sent" },
@@ -294,7 +294,7 @@ static struct trans_ctl_table trans_net_ipv4_netfilter_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv4_table[] = {
+static const struct trans_ctl_table trans_net_ipv4_table[] = {
         { NET_IPV4_FORWARD,                     "ip_forward" },
         { NET_IPV4_DYNADDR,                     "ip_dynaddr" },
 
@@ -393,13 +393,13 @@ static struct trans_ctl_table trans_net_ipv4_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_ipx_table[] = {
+static const struct trans_ctl_table trans_net_ipx_table[] = {
         { NET_IPX_PPROP_BROADCASTING,   "ipx_pprop_broadcasting" },
         /* NET_IPX_FORWARDING unused */
         {}
 };
 
-static struct trans_ctl_table trans_net_atalk_table[] = {
+static const struct trans_ctl_table trans_net_atalk_table[] = {
         { NET_ATALK_AARP_EXPIRY_TIME,           "aarp-expiry-time" },
         { NET_ATALK_AARP_TICK_TIME,             "aarp-tick-time" },
         { NET_ATALK_AARP_RETRANSMIT_LIMIT,      "aarp-retransmit-limit" },
@@ -407,7 +407,7 @@ static struct trans_ctl_table trans_net_atalk_table[] = {
         {},
 };
 
-static struct trans_ctl_table trans_net_netrom_table[] = {
+static const struct trans_ctl_table trans_net_netrom_table[] = {
         { NET_NETROM_DEFAULT_PATH_QUALITY,              "default_path_quality" },
         { NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER,    "obsolescence_count_initialiser" },
         { NET_NETROM_NETWORK_TTL_INITIALISER,           "network_ttl_initialiser" },
@@ -423,7 +423,7 @@ static struct trans_ctl_table trans_net_netrom_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_ax25_param_table[] = {
+static const struct trans_ctl_table trans_net_ax25_param_table[] = {
         { NET_AX25_IP_DEFAULT_MODE,     "ip_default_mode" },
         { NET_AX25_DEFAULT_MODE,        "ax25_default_mode" },
         { NET_AX25_BACKOFF_TYPE,        "backoff_type" },
@@ -441,12 +441,12 @@ static struct trans_ctl_table trans_net_ax25_param_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_ax25_table[] = {
+static const struct trans_ctl_table trans_net_ax25_table[] = {
         { 0, NULL, trans_net_ax25_param_table },
         {}
 };
 
-static struct trans_ctl_table trans_net_bridge_table[] = {
+static const struct trans_ctl_table trans_net_bridge_table[] = {
         { NET_BRIDGE_NF_CALL_ARPTABLES,         "bridge-nf-call-arptables" },
         { NET_BRIDGE_NF_CALL_IPTABLES,          "bridge-nf-call-iptables" },
         { NET_BRIDGE_NF_CALL_IP6TABLES,         "bridge-nf-call-ip6tables" },
@@ -455,7 +455,7 @@ static struct trans_ctl_table trans_net_bridge_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_rose_table[] = {
+static const struct trans_ctl_table trans_net_rose_table[] = {
         { NET_ROSE_RESTART_REQUEST_TIMEOUT,     "restart_request_timeout" },
         { NET_ROSE_CALL_REQUEST_TIMEOUT,        "call_request_timeout" },
         { NET_ROSE_RESET_REQUEST_TIMEOUT,       "reset_request_timeout" },
@@ -469,7 +469,7 @@ static struct trans_ctl_table trans_net_rose_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv6_conf_var_table[] = {
+static const struct trans_ctl_table trans_net_ipv6_conf_var_table[] = {
         { NET_IPV6_FORWARDING,                  "forwarding" },
         { NET_IPV6_HOP_LIMIT,                   "hop_limit" },
         { NET_IPV6_MTU,                         "mtu" },
@@ -497,14 +497,14 @@ static struct trans_ctl_table trans_net_ipv6_conf_var_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv6_conf_table[] = {
+static const struct trans_ctl_table trans_net_ipv6_conf_table[] = {
         { NET_PROTO_CONF_ALL,           "all",  trans_net_ipv6_conf_var_table },
         { NET_PROTO_CONF_DEFAULT,       "default", trans_net_ipv6_conf_var_table },
         { 0, NULL, trans_net_ipv6_conf_var_table },
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv6_route_table[] = {
+static const struct trans_ctl_table trans_net_ipv6_route_table[] = {
         { NET_IPV6_ROUTE_FLUSH,                 "flush" },
         { NET_IPV6_ROUTE_GC_THRESH,             "gc_thresh" },
         { NET_IPV6_ROUTE_MAX_SIZE,              "max_size" },
@@ -518,12 +518,12 @@ static struct trans_ctl_table trans_net_ipv6_route_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv6_icmp_table[] = {
+static const struct trans_ctl_table trans_net_ipv6_icmp_table[] = {
         { NET_IPV6_ICMP_RATELIMIT,      "ratelimit" },
         {}
 };
 
-static struct trans_ctl_table trans_net_ipv6_table[] = {
+static const struct trans_ctl_table trans_net_ipv6_table[] = {
         { NET_IPV6_CONF,                "conf",         trans_net_ipv6_conf_table },
         { NET_IPV6_NEIGH,               "neigh",        trans_net_neigh_table },
         { NET_IPV6_ROUTE,               "route",        trans_net_ipv6_route_table },
@@ -538,7 +538,7 @@ static struct trans_ctl_table trans_net_ipv6_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_x25_table[] = {
+static const struct trans_ctl_table trans_net_x25_table[] = {
         { NET_X25_RESTART_REQUEST_TIMEOUT,      "restart_request_timeout" },
         { NET_X25_CALL_REQUEST_TIMEOUT,         "call_request_timeout" },
         { NET_X25_RESET_REQUEST_TIMEOUT,        "reset_request_timeout" },
@@ -548,13 +548,13 @@ static struct trans_ctl_table trans_net_x25_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_tr_table[] = {
+static const struct trans_ctl_table trans_net_tr_table[] = {
         { NET_TR_RIF_TIMEOUT,   "rif_timeout" },
         {}
 };
 
 
-static struct trans_ctl_table trans_net_decnet_conf_vars[] = {
+static const struct trans_ctl_table trans_net_decnet_conf_vars[] = {
         { NET_DECNET_CONF_DEV_FORWARDING,       "forwarding" },
         { NET_DECNET_CONF_DEV_PRIORITY,         "priority" },
         { NET_DECNET_CONF_DEV_T2,               "t2" },
@@ -562,12 +562,12 @@ static struct trans_ctl_table trans_net_decnet_conf_vars[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_decnet_conf[] = {
+static const struct trans_ctl_table trans_net_decnet_conf[] = {
         { 0, NULL, trans_net_decnet_conf_vars },
         {}
 };
 
-static struct trans_ctl_table trans_net_decnet_table[] = {
+static const struct trans_ctl_table trans_net_decnet_table[] = {
         { NET_DECNET_CONF,              "conf", trans_net_decnet_conf },
         { NET_DECNET_NODE_ADDRESS,      "node_address" },
         { NET_DECNET_NODE_NAME,         "node_name" },
@@ -585,7 +585,7 @@ static struct trans_ctl_table trans_net_decnet_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_sctp_table[] = {
+static const struct trans_ctl_table trans_net_sctp_table[] = {
         { NET_SCTP_RTO_INITIAL,         "rto_initial" },
         { NET_SCTP_RTO_MIN,             "rto_min" },
         { NET_SCTP_RTO_MAX,             "rto_max" },
@@ -606,7 +606,7 @@ static struct trans_ctl_table trans_net_sctp_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_llc_llc2_timeout_table[] = {
+static const struct trans_ctl_table trans_net_llc_llc2_timeout_table[] = {
         { NET_LLC2_ACK_TIMEOUT,         "ack" },
         { NET_LLC2_P_TIMEOUT,           "p" },
         { NET_LLC2_REJ_TIMEOUT,         "rej" },
@@ -614,23 +614,23 @@ static struct trans_ctl_table trans_net_llc_llc2_timeout_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_llc_station_table[] = {
+static const struct trans_ctl_table trans_net_llc_station_table[] = {
         { NET_LLC_STATION_ACK_TIMEOUT,  "ack_timeout" },
         {}
 };
 
-static struct trans_ctl_table trans_net_llc_llc2_table[] = {
+static const struct trans_ctl_table trans_net_llc_llc2_table[] = {
         { NET_LLC2,             "timeout",      trans_net_llc_llc2_timeout_table },
         {}
 };
 
-static struct trans_ctl_table trans_net_llc_table[] = {
+static const struct trans_ctl_table trans_net_llc_table[] = {
         { NET_LLC2,             "llc2",         trans_net_llc_llc2_table },
         { NET_LLC_STATION,      "station",      trans_net_llc_station_table },
         {}
 };
 
-static struct trans_ctl_table trans_net_netfilter_table[] = {
+static const struct trans_ctl_table trans_net_netfilter_table[] = {
         { NET_NF_CONNTRACK_MAX,                         "nf_conntrack_max" },
         { NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT,        "nf_conntrack_tcp_timeout_syn_sent" },
         { NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV,        "nf_conntrack_tcp_timeout_syn_recv" },
@@ -667,12 +667,12 @@ static struct trans_ctl_table trans_net_netfilter_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_dccp_table[] = {
+static const struct trans_ctl_table trans_net_dccp_table[] = {
         { NET_DCCP_DEFAULT,     "default" },
         {}
 };
 
-static struct trans_ctl_table trans_net_irda_table[] = {
+static const struct trans_ctl_table trans_net_irda_table[] = {
         { NET_IRDA_DISCOVERY,           "discovery" },
         { NET_IRDA_DEVNAME,             "devname" },
         { NET_IRDA_DEBUG,               "debug" },
@@ -690,7 +690,7 @@ static struct trans_ctl_table trans_net_irda_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_net_table[] = {
+static const struct trans_ctl_table trans_net_table[] = {
         { NET_CORE,             "core",         trans_net_core_table },
         /* NET_ETHER not used */
         /* NET_802 not used */
@@ -716,7 +716,7 @@ static struct trans_ctl_table trans_net_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_fs_quota_table[] = {
+static const struct trans_ctl_table trans_fs_quota_table[] = {
         { FS_DQ_LOOKUPS,        "lookups" },
         { FS_DQ_DROPS,          "drops" },
         { FS_DQ_READS,          "reads" },
@@ -729,7 +729,7 @@ static struct trans_ctl_table trans_fs_quota_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_fs_xfs_table[] = {
+static const struct trans_ctl_table trans_fs_xfs_table[] = {
         { XFS_RESTRICT_CHOWN,   "restrict_chown" },
         { XFS_SGID_INHERIT,     "irix_sgid_inherit" },
         { XFS_SYMLINK_MODE,     "irix_symlink_mode" },
@@ -750,24 +750,24 @@ static struct trans_ctl_table trans_fs_xfs_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_fs_ocfs2_nm_table[] = {
+static const struct trans_ctl_table trans_fs_ocfs2_nm_table[] = {
         { 1, "hb_ctl_path" },
         {}
 };
 
-static struct trans_ctl_table trans_fs_ocfs2_table[] = {
+static const struct trans_ctl_table trans_fs_ocfs2_table[] = {
         { 1,    "nm",   trans_fs_ocfs2_nm_table },
         {}
 };
 
-static struct trans_ctl_table trans_inotify_table[] = {
+static const struct trans_ctl_table trans_inotify_table[] = {
         { INOTIFY_MAX_USER_INSTANCES,   "max_user_instances" },
         { INOTIFY_MAX_USER_WATCHES,     "max_user_watches" },
         { INOTIFY_MAX_QUEUED_EVENTS,    "max_queued_events" },
         {}
 };
 
-static struct trans_ctl_table trans_fs_table[] = {
+static const struct trans_ctl_table trans_fs_table[] = {
         { FS_NRINODE,           "inode-nr" },
         { FS_STATINODE,         "inode-state" },
         /* FS_MAXINODE unused */
@@ -793,11 +793,11 @@ static struct trans_ctl_table trans_fs_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_debug_table[] = {
+static const struct trans_ctl_table trans_debug_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_cdrom_table[] = {
+static const struct trans_ctl_table trans_cdrom_table[] = {
         { DEV_CDROM_INFO,               "info" },
         { DEV_CDROM_AUTOCLOSE,          "autoclose" },
         { DEV_CDROM_AUTOEJECT,          "autoeject" },
@@ -807,12 +807,12 @@ static struct trans_ctl_table trans_cdrom_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_ipmi_table[] = {
+static const struct trans_ctl_table trans_ipmi_table[] = {
         { DEV_IPMI_POWEROFF_POWERCYCLE, "poweroff_powercycle" },
         {}
 };
 
-static struct trans_ctl_table trans_mac_hid_files[] = {
+static const struct trans_ctl_table trans_mac_hid_files[] = {
         /* DEV_MAC_HID_KEYBOARD_SENDS_LINUX_KEYCODES unused */
         /* DEV_MAC_HID_KEYBOARD_LOCK_KEYCODES unused */
         { DEV_MAC_HID_MOUSE_BUTTON_EMULATION,   "mouse_button_emulation" },
@@ -822,35 +822,35 @@ static struct trans_ctl_table trans_mac_hid_files[] = {
         {}
 };
 
-static struct trans_ctl_table trans_raid_table[] = {
+static const struct trans_ctl_table trans_raid_table[] = {
         { DEV_RAID_SPEED_LIMIT_MIN,     "speed_limit_min" },
         { DEV_RAID_SPEED_LIMIT_MAX,     "speed_limit_max" },
         {}
 };
 
-static struct trans_ctl_table trans_scsi_table[] = {
+static const struct trans_ctl_table trans_scsi_table[] = {
         { DEV_SCSI_LOGGING_LEVEL, "logging_level" },
         {}
 };
 
-static struct trans_ctl_table trans_parport_default_table[] = {
+static const struct trans_ctl_table trans_parport_default_table[] = {
         { DEV_PARPORT_DEFAULT_TIMESLICE,        "timeslice" },
         { DEV_PARPORT_DEFAULT_SPINTIME,         "spintime" },
         {}
 };
 
-static struct trans_ctl_table trans_parport_device_table[] = {
+static const struct trans_ctl_table trans_parport_device_table[] = {
         { DEV_PARPORT_DEVICE_TIMESLICE,         "timeslice" },
         {}
 };
 
-static struct trans_ctl_table trans_parport_devices_table[] = {
+static const struct trans_ctl_table trans_parport_devices_table[] = {
         { DEV_PARPORT_DEVICES_ACTIVE,           "active" },
         { 0, NULL, trans_parport_device_table },
         {}
 };
 
-static struct trans_ctl_table trans_parport_parport_table[] = {
+static const struct trans_ctl_table trans_parport_parport_table[] = {
         { DEV_PARPORT_SPINTIME,         "spintime" },
         { DEV_PARPORT_BASE_ADDR,        "base-addr" },
         { DEV_PARPORT_IRQ,              "irq" },
@@ -864,13 +864,13 @@ static struct trans_ctl_table trans_parport_parport_table[] = {
         { DEV_PARPORT_AUTOPROBE + 4,    "autoprobe3" },
         {}
 };
-static struct trans_ctl_table trans_parport_table[] = {
+static const struct trans_ctl_table trans_parport_table[] = {
         { DEV_PARPORT_DEFAULT,  "default",      trans_parport_default_table },
         { 0, NULL, trans_parport_parport_table },
         {}
 };
 
-static struct trans_ctl_table trans_dev_table[] = {
+static const struct trans_ctl_table trans_dev_table[] = {
         { DEV_CDROM,    "cdrom",        trans_cdrom_table },
         /* DEV_HWMON unused */
         { DEV_PARPORT,  "parport",      trans_parport_table },
@@ -881,19 +881,19 @@ static struct trans_ctl_table trans_dev_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_bus_isa_table[] = {
+static const struct trans_ctl_table trans_bus_isa_table[] = {
         { BUS_ISA_MEM_BASE,     "membase" },
         { BUS_ISA_PORT_BASE,    "portbase" },
         { BUS_ISA_PORT_SHIFT,   "portshift" },
         {}
 };
 
-static struct trans_ctl_table trans_bus_table[] = {
+static const struct trans_ctl_table trans_bus_table[] = {
         { CTL_BUS_ISA,  "isa",  trans_bus_isa_table },
         {}
 };
 
-static struct trans_ctl_table trans_arlan_conf_table0[] = {
+static const struct trans_ctl_table trans_arlan_conf_table0[] = {
         { 1,    "spreadingCode" },
         { 2,    "channelNumber" },
         { 3,    "scramblingDisable" },
@@ -964,7 +964,7 @@ static struct trans_ctl_table trans_arlan_conf_table0[] = {
         {}
 };
 
-static struct trans_ctl_table trans_arlan_conf_table1[] = {
+static const struct trans_ctl_table trans_arlan_conf_table1[] = {
         { 1,    "spreadingCode" },
         { 2,    "channelNumber" },
         { 3,    "scramblingDisable" },
@@ -1035,7 +1035,7 @@ static struct trans_ctl_table trans_arlan_conf_table1[] = {
         {}
 };
 
-static struct trans_ctl_table trans_arlan_conf_table2[] = {
+static const struct trans_ctl_table trans_arlan_conf_table2[] = {
         { 1,    "spreadingCode" },
         { 2,    "channelNumber" },
         { 3,    "scramblingDisable" },
@@ -1106,7 +1106,7 @@ static struct trans_ctl_table trans_arlan_conf_table2[] = {
         {}
 };
 
-static struct trans_ctl_table trans_arlan_conf_table3[] = {
+static const struct trans_ctl_table trans_arlan_conf_table3[] = {
         { 1,    "spreadingCode" },
         { 2,    "channelNumber" },
         { 3,    "scramblingDisable" },
@@ -1177,7 +1177,7 @@ static struct trans_ctl_table trans_arlan_conf_table3[] = {
         {}
 };
 
-static struct trans_ctl_table trans_arlan_table[] = {
+static const struct trans_ctl_table trans_arlan_table[] = {
         { 1,            "arlan0",       trans_arlan_conf_table0 },
         { 2,            "arlan1",       trans_arlan_conf_table1 },
         { 3,            "arlan2",       trans_arlan_conf_table2 },
@@ -1185,13 +1185,13 @@ static struct trans_ctl_table trans_arlan_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_s390dbf_table[] = {
+static const struct trans_ctl_table trans_s390dbf_table[] = {
         { 5678 /* CTL_S390DBF_STOPPABLE */,     "debug_stoppable" },
         { 5679 /* CTL_S390DBF_ACTIVE */,        "debug_active" },
         {}
 };
 
-static struct trans_ctl_table trans_sunrpc_table[] = {
+static const struct trans_ctl_table trans_sunrpc_table[] = {
         { CTL_RPCDEBUG,         "rpc_debug" },
         { CTL_NFSDEBUG,         "nfs_debug" },
         { CTL_NFSDDEBUG,        "nfsd_debug" },
@@ -1203,7 +1203,7 @@ static struct trans_ctl_table trans_sunrpc_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_pm_table[] = {
+static const struct trans_ctl_table trans_pm_table[] = {
         { 1 /* CTL_PM_SUSPEND */,       "suspend" },
         { 2 /* CTL_PM_CMODE */,         "cmode" },
         { 3 /* CTL_PM_P0 */,            "p0" },
@@ -1211,13 +1211,13 @@ static struct trans_ctl_table trans_pm_table[] = {
         {}
 };
 
-static struct trans_ctl_table trans_frv_table[] = {
+static const struct trans_ctl_table trans_frv_table[] = {
         { 1,    "cache-mode" },
         { 2,    "pin-cxnr" },
         {}
 };
 
-static struct trans_ctl_table trans_root_table[] = {
+static const struct trans_ctl_table trans_root_table[] = {
         { CTL_KERN,     "kernel",       trans_kern_table },
         { CTL_VM,       "vm",           trans_vm_table },
         { CTL_NET,      "net",          trans_net_table },
@@ -1261,15 +1261,14 @@ static struct ctl_table *sysctl_parent(struct ctl_table *table, int n)
         return table;
 }
 
-static struct trans_ctl_table *sysctl_binary_lookup(struct ctl_table *table)
+static const struct trans_ctl_table *sysctl_binary_lookup(struct ctl_table *table)
 {
         struct ctl_table *test;
-        struct trans_ctl_table *ref;
-        int depth, cur_depth;
+        const struct trans_ctl_table *ref;
+        int cur_depth;
 
-        depth = sysctl_depth(table);
+        cur_depth = sysctl_depth(table);
 
-        cur_depth = depth;
         ref = trans_root_table;
 repeat:
         test = sysctl_parent(table, cur_depth);
@@ -1437,7 +1436,7 @@ static void sysctl_check_leaf(struct nsproxy *namespaces,
 
 static void sysctl_check_bin_path(struct ctl_table *table, const char **fail)
 {
-        struct trans_ctl_table *ref;
+        const struct trans_ctl_table *ref;
 
         ref = sysctl_binary_lookup(table);
         if (table->ctl_name && !ref)