net: mark read-only arrays as const

String literals are constant, and usually, we can also tag the array
of pointers const too, moving it to the .rodata section.

Signed-off-by: Jan Engelhardt <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

include/net/ip_vs.h

···
 extern void ip_vs_protocol_timeout_change(int flags);
 extern int *ip_vs_create_timeout_table(int *table, int size);
 extern int
-ip_vs_set_state_timeout(int *table, int num, char **names, char *name, int to);
+ip_vs_set_state_timeout(int *table, int num, const char *const *names,
+			const char *name, int to);
 extern void
 ip_vs_tcpudp_debug_packet(struct ip_vs_protocol *pp, const struct sk_buff *skb,
 			  int offset, const char *msg);

include/net/irda/ircomm_event.h

···
 	struct qos_info *qos;
 };
 
-extern char *ircomm_state[];
+extern const char *const ircomm_state[];
 
 struct ircomm_cb;   /* Forward decl. */
 

include/net/irda/ircomm_tty_attach.h

···
         __u8      dlsap_sel;
 };
 
-extern char *ircomm_state[];
-extern char *ircomm_tty_state[];
+extern const char *const ircomm_state[];
+extern const char *const ircomm_tty_state[];
 
 int ircomm_tty_do_event(struct ircomm_tty_cb *self, IRCOMM_TTY_EVENT event,
 			struct sk_buff *skb, struct ircomm_tty_info *info);

include/net/irda/irlap_event.h

···
 	LAP_PRIMARY_CONFLICT,
 } LAP_REASON;
 
-extern const char *irlap_state[];
+extern const char *const irlap_state[];
 
 void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event, 
 		    struct sk_buff *skb, struct irlap_info *info);

include/net/irda/irlmp_event.h

···
 	LM_LAP_IDLE_TIMEOUT,
 } IRLMP_EVENT;
 
-extern const char *irlmp_state[];
-extern const char *irlsap_state[];
+extern const char *const irlmp_state[];
+extern const char *const irlsap_state[];
 
 void irlmp_watchdog_timer_expired(void *data);
 void irlmp_discovery_timer_expired(void *data);

include/net/sctp/constants.h

···
 const char *sctp_pname(const sctp_subtype_t);	/* primitives */
 
 /* This is a table of printable names of sctp_state_t's.  */
-extern const char *sctp_state_tbl[], *sctp_evttype_tbl[], *sctp_status_tbl[];
+extern const char *const sctp_state_tbl[];
+extern const char *const sctp_evttype_tbl[];
+extern const char *const sctp_status_tbl[];
 
 /* Maximum chunk length considering padding requirements. */
 enum { SCTP_MAX_CHUNK_LEN = ((1<<16) - sizeof(__u32)) };

net/8021q/vlanproc.c

···
  */
 
 /* Strings */
-static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = {
+static const char *const vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = {
     [VLAN_NAME_TYPE_RAW_PLUS_VID]        = "VLAN_NAME_TYPE_RAW_PLUS_VID",
     [VLAN_NAME_TYPE_PLUS_VID_NO_PAD]	 = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD",
     [VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD",

net/atm/lec.c

···
 }
 
 #ifdef CONFIG_PROC_FS
-static char *lec_arp_get_status_string(unsigned char status)
+static const char *lec_arp_get_status_string(unsigned char status)
 {
-	static char *lec_arp_status_string[] = {
+	static const char *const lec_arp_status_string[] = {
 		"ESI_UNKNOWN       ",
 		"ESI_ARP_PENDING   ",
 		"ESI_VC_PENDING    ",
···
 
 static int lec_seq_show(struct seq_file *seq, void *v)
 {
-	static char lec_banner[] = "Itf  MAC          ATM destination"
+	static const char lec_banner[] =
+	    "Itf  MAC          ATM destination"
 	    "                          Status            Flags "
 	    "VPI/VCI Recv VPI/VCI\n";
 
···
 }
 
 #if DEBUG_ARP_TABLE
-static char *get_status_string(unsigned char st)
+static const char *get_status_string(unsigned char st)
 {
 	switch (st) {
 	case ESI_UNKNOWN:

net/atm/proc.c

···
 
 static void pvc_info(struct seq_file *seq, struct atm_vcc *vcc)
 {
-	static const char *class_name[] = { "off","UBR","CBR","VBR","ABR" };
-	static const char *aal_name[] = {
+	static const char *const class_name[] =
+		{"off","UBR","CBR","VBR","ABR"};
+	static const char *const aal_name[] = {
 		"---",	"1",	"2",	"3/4",	/*  0- 3 */
 		"???",	"5",	"???",	"???",	/*  4- 7 */
 		"???",	"???",	"???",	"???",	/*  8-11 */
···
 
 static const char *vcc_state(struct atm_vcc *vcc)
 {
-	static const char *map[] = { ATM_VS2TXT_MAP };
+	static const char *const map[] = { ATM_VS2TXT_MAP };
 
 	return map[ATM_VF2VS(vcc->flags)];
 }
···
 
 static int svc_seq_show(struct seq_file *seq, void *v)
 {
-	static char atm_svc_banner[] =
+	static const char atm_svc_banner[] =
 		"Itf VPI VCI           State      Remote\n";
 
 	if (v == SEQ_START_TOKEN)

net/bluetooth/af_bluetooth.c

···
 static DEFINE_RWLOCK(bt_proto_lock);
 
 static struct lock_class_key bt_lock_key[BT_MAX_PROTO];
-static const char *bt_key_strings[BT_MAX_PROTO] = {
+static const char *const bt_key_strings[BT_MAX_PROTO] = {
 	"sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP",
 	"sk_lock-AF_BLUETOOTH-BTPROTO_HCI",
 	"sk_lock-AF_BLUETOOTH-BTPROTO_SCO",
···
 };
 
 static struct lock_class_key bt_slock_key[BT_MAX_PROTO];
-static const char *bt_slock_key_strings[BT_MAX_PROTO] = {
+static const char *const bt_slock_key_strings[BT_MAX_PROTO] = {
 	"slock-AF_BLUETOOTH-BTPROTO_L2CAP",
 	"slock-AF_BLUETOOTH-BTPROTO_HCI",
 	"slock-AF_BLUETOOTH-BTPROTO_SCO",

net/bridge/br_stp.c

···
  */
 #define MESSAGE_AGE_INCR	((HZ < 256) ? 1 : (HZ/256))
 
-static const char *br_port_state_names[] = {
+static const char *const br_port_state_names[] = {
 	[BR_STATE_DISABLED] = "disabled",
 	[BR_STATE_LISTENING] = "listening",
 	[BR_STATE_LEARNING] = "learning",

net/core/dev.c

···
 	 ARPHRD_PHONET_PIPE, ARPHRD_IEEE802154, ARPHRD_IEEE802154_PHY,
 	 ARPHRD_VOID, ARPHRD_NONE};
 
-static const char *netdev_lock_name[] =
+static const char *const netdev_lock_name[] =
 	{"_xmit_NETROM", "_xmit_ETHER", "_xmit_EETHER", "_xmit_AX25",
 	 "_xmit_PRONET", "_xmit_CHAOS", "_xmit_IEEE802", "_xmit_ARCNET",
 	 "_xmit_APPLETLK", "_xmit_DLCI", "_xmit_ATM", "_xmit_METRICOM",

net/core/net-sysfs.c

···
 	return -EINVAL;
 }
 
-static const char *operstates[] = {
+static const char *const operstates[] = {
 	"unknown",
 	"notpresent", /* currently unused */
 	"down",

net/core/sock.c

···
  * strings build-time, so that runtime initialization of socket
  * locks is fast):
  */
-static const char *af_family_key_strings[AF_MAX+1] = {
+static const char *const af_family_key_strings[AF_MAX+1] = {
   "sk_lock-AF_UNSPEC", "sk_lock-AF_UNIX"     , "sk_lock-AF_INET"     ,
   "sk_lock-AF_AX25"  , "sk_lock-AF_IPX"      , "sk_lock-AF_APPLETALK",
   "sk_lock-AF_NETROM", "sk_lock-AF_BRIDGE"   , "sk_lock-AF_ATMPVC"   ,
···
   "sk_lock-AF_IEEE802154",
   "sk_lock-AF_MAX"
 };
-static const char *af_family_slock_key_strings[AF_MAX+1] = {
+static const char *const af_family_slock_key_strings[AF_MAX+1] = {
   "slock-AF_UNSPEC", "slock-AF_UNIX"     , "slock-AF_INET"     ,
   "slock-AF_AX25"  , "slock-AF_IPX"      , "slock-AF_APPLETALK",
   "slock-AF_NETROM", "slock-AF_BRIDGE"   , "slock-AF_ATMPVC"   ,
···
   "slock-AF_IEEE802154",
   "slock-AF_MAX"
 };
-static const char *af_family_clock_key_strings[AF_MAX+1] = {
+static const char *const af_family_clock_key_strings[AF_MAX+1] = {
   "clock-AF_UNSPEC", "clock-AF_UNIX"     , "clock-AF_INET"     ,
   "clock-AF_AX25"  , "clock-AF_IPX"      , "clock-AF_APPLETALK",
   "clock-AF_NETROM", "clock-AF_BRIDGE"   , "clock-AF_ATMPVC"   ,

net/dccp/ccids/ccid3.c

···
 #ifdef CONFIG_IP_DCCP_CCID3_DEBUG
 static const char *ccid3_tx_state_name(enum ccid3_hc_tx_states state)
 {
-	static char *ccid3_state_names[] = {
+	static const char *const ccid3_state_names[] = {
 	[TFRC_SSTATE_NO_SENT]  = "NO_SENT",
 	[TFRC_SSTATE_NO_FBACK] = "NO_FBACK",
 	[TFRC_SSTATE_FBACK]    = "FBACK",
···
 #ifdef CONFIG_IP_DCCP_CCID3_DEBUG
 static const char *ccid3_rx_state_name(enum ccid3_hc_rx_states state)
 {
-	static char *ccid3_rx_state_names[] = {
+	static const char *const ccid3_rx_state_names[] = {
 	[TFRC_RSTATE_NO_DATA] = "NO_DATA",
 	[TFRC_RSTATE_DATA]    = "DATA",
 	[TFRC_RSTATE_TERM]    = "TERM",

net/dccp/feat.c

···
  */
 static const char *dccp_feat_fname(const u8 feat)
 {
-	static const char *feature_names[] = {
+	static const char *const feature_names[] = {
 		[DCCPF_RESERVED]	= "Reserved",
 		[DCCPF_CCID]		= "CCID",
 		[DCCPF_SHORT_SEQNOS]	= "Allow Short Seqnos",
···
 	return feature_names[feat];
 }
 
-static const char *dccp_feat_sname[] = { "DEFAULT", "INITIALISING", "CHANGING",
-					 "UNSTABLE", "STABLE" };
+static const char *const dccp_feat_sname[] = {
+	"DEFAULT", "INITIALISING", "CHANGING", "UNSTABLE", "STABLE",
+};
 
 #ifdef CONFIG_IP_DCCP_DEBUG
 static const char *dccp_feat_oname(const u8 opt)

net/dccp/proto.c

···
 
 const char *dccp_packet_name(const int type)
 {
-	static const char *dccp_packet_names[] = {
+	static const char *const dccp_packet_names[] = {
 		[DCCP_PKT_REQUEST]  = "REQUEST",
 		[DCCP_PKT_RESPONSE] = "RESPONSE",
 		[DCCP_PKT_DATA]	    = "DATA",
···
 
 const char *dccp_state_name(const int state)
 {
-	static char *dccp_state_names[] = {
+	static const char *const dccp_state_names[] = {
 	[DCCP_OPEN]		= "OPEN",
 	[DCCP_REQUESTING]	= "REQUESTING",
 	[DCCP_PARTOPEN]		= "PARTOPEN",

net/ipv4/fib_trie.c

···
 	}
 }
 
-static const char *rtn_type_names[__RTN_MAX] = {
+static const char *const rtn_type_names[__RTN_MAX] = {
 	[RTN_UNSPEC] = "UNSPEC",
 	[RTN_UNICAST] = "UNICAST",
 	[RTN_LOCAL] = "LOCAL",

net/ipv6/proc.c

···
 };
 
 /* RFC 4293 v6 ICMPMsgStatsTable; named items for RFC 2466 compatibility */
-static char *icmp6type2name[256] = {
+static const char *const icmp6type2name[256] = {
 	[ICMPV6_DEST_UNREACH] = "DestUnreachs",
 	[ICMPV6_PKT_TOOBIG] = "PktTooBigs",
 	[ICMPV6_TIME_EXCEED] = "TimeExcds",
···
 	/* print by name -- deprecated items */
 	for (i = 0; i < ICMP6MSG_MIB_MAX; i++) {
 		int icmptype;
-		char *p;
+		const char *p;
 
 		icmptype = i & 0xff;
 		p = icmp6type2name[icmptype];

net/irda/ircomm/ircomm_event.c

···
 static int ircomm_state_conn(struct ircomm_cb *self, IRCOMM_EVENT event,
 			     struct sk_buff *skb, struct ircomm_info *info);
 
-char *ircomm_state[] = {
+const char *const ircomm_state[] = {
 	"IRCOMM_IDLE",
 	"IRCOMM_WAITI",
 	"IRCOMM_WAITR",
···
 };
 
 #ifdef CONFIG_IRDA_DEBUG
-static char *ircomm_event[] = {
+static const char *const ircomm_event[] = {
 	"IRCOMM_CONNECT_REQUEST",
 	"IRCOMM_CONNECT_RESPONSE",
 	"IRCOMM_TTP_CONNECT_INDICATION",

net/irda/ircomm/ircomm_tty_attach.c

···
 				  struct sk_buff *skb,
 				  struct ircomm_tty_info *info);
 
-char *ircomm_tty_state[] = {
+const char *const ircomm_tty_state[] = {
 	"IRCOMM_TTY_IDLE",
 	"IRCOMM_TTY_SEARCH",
 	"IRCOMM_TTY_QUERY_PARAMETERS",
···
 };
 
 #ifdef CONFIG_IRDA_DEBUG
-static char *ircomm_tty_event[] = {
+static const char *const ircomm_tty_event[] = {
 	"IRCOMM_TTY_ATTACH_CABLE",
 	"IRCOMM_TTY_DETACH_CABLE",
 	"IRCOMM_TTY_DATA_REQUEST",

net/irda/iriap.c

···
 
 #ifdef CONFIG_IRDA_DEBUG
 /* FIXME: This one should go in irlmp.c */
-static const char *ias_charset_types[] = {
+static const char *const ias_charset_types[] = {
 	"CS_ASCII",
 	"CS_ISO_8859_1",
 	"CS_ISO_8859_2",
···
 
 #ifdef CONFIG_PROC_FS
 
-static const char *ias_value_types[] = {
+static const char *const ias_value_types[] = {
 	"IAS_MISSING",
 	"IAS_INTEGER",
 	"IAS_OCT_SEQ",

net/irda/irlan/irlan_common.c

···
 static int access = ACCESS_PEER; /* PEER, DIRECT or HOSTED */
 
 #ifdef CONFIG_PROC_FS
-static const char *irlan_access[] = {
+static const char *const irlan_access[] = {
 	"UNKNOWN",
 	"DIRECT",
 	"PEER",
 	"HOSTED"
 };
 
-static const char *irlan_media[] = {
+static const char *const irlan_media[] = {
 	"UNKNOWN",
 	"802.3",
 	"802.5"

net/irda/irlap.c

···
 					struct qos_info *qos_user);
 
 #ifdef CONFIG_IRDA_DEBUG
-static char *lap_reasons[] = {
+static const char *const lap_reasons[] = {
 	"ERROR, NOT USED",
 	"LAP_DISC_INDICATION",
 	"LAP_NO_RESPONSE",

net/irda/irlap_event.c

···
 				   struct sk_buff *, struct irlap_info *);
 
 #ifdef CONFIG_IRDA_DEBUG
-static const char *irlap_event[] = {
+static const char *const irlap_event[] = {
 	"DISCOVERY_REQUEST",
 	"CONNECT_REQUEST",
 	"CONNECT_RESPONSE",
···
 };
 #endif	/* CONFIG_IRDA_DEBUG */
 
-const char *irlap_state[] = {
+const char *const irlap_state[] = {
 	"LAP_NDM",
 	"LAP_QUERY",
 	"LAP_REPLY",

net/irda/irlmp_event.c

···
 #include <net/irda/irlmp_frame.h>
 #include <net/irda/irlmp_event.h>
 
-const char *irlmp_state[] = {
+const char *const irlmp_state[] = {
 	"LAP_STANDBY",
 	"LAP_U_CONNECT",
 	"LAP_ACTIVE",
 };
 
-const char *irlsap_state[] = {
+const char *const irlsap_state[] = {
 	"LSAP_DISCONNECTED",
 	"LSAP_CONNECT",
 	"LSAP_CONNECT_PEND",
···
 };
 
 #ifdef CONFIG_IRDA_DEBUG
-static const char *irlmp_event[] = {
+static const char *const irlmp_event[] = {
 	"LM_CONNECT_REQUEST",
 	"LM_CONNECT_CONFIRM",
 	"LM_CONNECT_RESPONSE",

net/llc/llc_proc.c

···
 	return 0;
 }
 
-static char *llc_conn_state_names[] = {
+static const char *const llc_conn_state_names[] = {
 	[LLC_CONN_STATE_ADM] =        "adm",
 	[LLC_CONN_STATE_SETUP] =      "setup",
 	[LLC_CONN_STATE_NORMAL] =     "normal",

net/netfilter/ipvs/ip_vs_proto.c

···
  *	Set timeout value for state specified by name
  */
 int
-ip_vs_set_state_timeout(int *table, int num, char **names, char *name, int to)
+ip_vs_set_state_timeout(int *table, int num, const char *const *names,
+			const char *name, int to)
 {
 	int i;
 

net/netfilter/ipvs/ip_vs_proto_tcp.c

···
 	[IP_VS_TCP_S_LAST]		=	2*HZ,
 };
 
-static char * tcp_state_name_table[IP_VS_TCP_S_LAST+1] = {
+static const char *const tcp_state_name_table[IP_VS_TCP_S_LAST+1] = {
 	[IP_VS_TCP_S_NONE]		=	"NONE",
 	[IP_VS_TCP_S_ESTABLISHED]	=	"ESTABLISHED",
 	[IP_VS_TCP_S_SYN_SENT]		=	"SYN_SENT",

net/netfilter/ipvs/ip_vs_proto_udp.c

···
 	[IP_VS_UDP_S_LAST]		=	2*HZ,
 };
 
-static char * udp_state_name_table[IP_VS_UDP_S_LAST+1] = {
+static const char *const udp_state_name_table[IP_VS_UDP_S_LAST+1] = {
 	[IP_VS_UDP_S_NORMAL]		=	"UDP",
 	[IP_VS_UDP_S_LAST]		=	"BUG!",
 };

net/rds/ib_stats.c

···
 
 DEFINE_PER_CPU(struct rds_ib_statistics, rds_ib_stats) ____cacheline_aligned;
 
-static char *rds_ib_stat_names[] = {
+static const char *const rds_ib_stat_names[] = {
 	"ib_connect_raced",
 	"ib_listen_closed_stale",
 	"ib_tx_cq_call",

net/rds/iw_stats.c

···
 
 DEFINE_PER_CPU(struct rds_iw_statistics, rds_iw_stats) ____cacheline_aligned;
 
-static char *rds_iw_stat_names[] = {
+static const char *const rds_iw_stat_names[] = {
 	"iw_connect_raced",
 	"iw_listen_closed_stale",
 	"iw_tx_cq_call",

net/rds/rds.h

···
 int __init rds_stats_init(void);
 void rds_stats_exit(void);
 void rds_stats_info_copy(struct rds_info_iterator *iter,
-			 uint64_t *values, char **names, size_t nr);
+			 uint64_t *values, const char *const *names,
+			 size_t nr);
 
 /* sysctl.c */
 int __init rds_sysctl_init(void);

net/rds/stats.c

···
 
 /* :.,$s/unsigned long\>.*\<s_\(.*\);/"\1",/g */
 
-static char *rds_stat_names[] = {
+static const char *const rds_stat_names[] = {
 	"conn_reset",
 	"recv_drop_bad_checksum",
 	"recv_drop_old_seq",
···
 };
 
 void rds_stats_info_copy(struct rds_info_iterator *iter,
-			 uint64_t *values, char **names, size_t nr)
+			 uint64_t *values, const char *const *names, size_t nr)
 {
 	struct rds_info_counter ctr;
 	size_t i;

net/rxrpc/ar-ack.c

···
 
 static unsigned rxrpc_ack_defer = 1;
 
-static const char *rxrpc_acks[] = {
+static const char *const rxrpc_acks[] = {
 	"---", "REQ", "DUP", "OOS", "WIN", "MEM", "PNG", "PNR", "DLY", "IDL",
 	"-?-"
 };

net/sctp/debug.c

···
 #endif	/* SCTP_DEBUG */
 
 /* These are printable forms of Chunk ID's from section 3.1.  */
-static const char *sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = {
+static const char *const sctp_cid_tbl[SCTP_NUM_BASE_CHUNK_TYPES] = {
 	"DATA",
 	"INIT",
 	"INIT_ACK",
···
 }
 
 /* These are printable forms of the states.  */
-const char *sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
+const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = {
 	"STATE_EMPTY",
 	"STATE_CLOSED",
 	"STATE_COOKIE_WAIT",
···
 };
 
 /* Events that could change the state of an association.  */
-const char *sctp_evttype_tbl[] = {
+const char *const sctp_evttype_tbl[] = {
 	"EVENT_T_unknown",
 	"EVENT_T_CHUNK",
 	"EVENT_T_TIMEOUT",
···
 };
 
 /* Return value of a state function */
-const char *sctp_status_tbl[] = {
+const char *const sctp_status_tbl[] = {
 	"DISPOSITION_DISCARD",
 	"DISPOSITION_CONSUME",
 	"DISPOSITION_NOMEM",
···
 };
 
 /* Printable forms of primitives */
-static const char *sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = {
+static const char *const sctp_primitive_tbl[SCTP_NUM_PRIMITIVE_TYPES] = {
 	"PRIMITIVE_ASSOCIATE",
 	"PRIMITIVE_SHUTDOWN",
 	"PRIMITIVE_ABORT",
···
 	return "unknown_primitive";
 }
 
-static const char *sctp_other_tbl[] = {
+static const char *const sctp_other_tbl[] = {
 	"NO_PENDING_TSN",
 	"ICMP_PROTO_UNREACH",
 };
···
 	return "unknown 'other' event";
 }
 
-static const char *sctp_timer_tbl[] = {
+static const char *const sctp_timer_tbl[] = {
 	"TIMEOUT_NONE",
 	"TIMEOUT_T1_COOKIE",
 	"TIMEOUT_T1_INIT",