From 61c33e012964ce358b42d2a1e9cd309af5dab02b Mon Sep 17 00:00:00 2001 From: Mitchell Blank Jr Date: Tue, 17 Jun 2008 16:20:06 -0700 Subject: [PATCH] atm: use const where reasonable From: Mitchell Blank Jr Signed-off-by: Chas Williams Signed-off-by: David S. Miller --- net/atm/addr.c | 10 ++++----- net/atm/addr.h | 4 ++-- net/atm/br2684.c | 14 ++++++------ net/atm/common.c | 8 +++---- net/atm/lec.c | 55 ++++++++++++++++++++++++------------------------ net/atm/lec.h | 10 ++++----- 6 files changed, 50 insertions(+), 51 deletions(-) diff --git a/net/atm/addr.c b/net/atm/addr.c index 6afa77d63b..82e85abc30 100644 --- a/net/atm/addr.c +++ b/net/atm/addr.c @@ -9,7 +9,7 @@ #include "signaling.h" #include "addr.h" -static int check_addr(struct sockaddr_atmsvc *addr) +static int check_addr(const struct sockaddr_atmsvc *addr) { int i; @@ -23,7 +23,7 @@ static int check_addr(struct sockaddr_atmsvc *addr) return -EINVAL; } -static int identical(struct sockaddr_atmsvc *a, struct sockaddr_atmsvc *b) +static int identical(const struct sockaddr_atmsvc *a, const struct sockaddr_atmsvc *b) { if (*a->sas_addr.prv) if (memcmp(a->sas_addr.prv, b->sas_addr.prv, ATM_ESA_LEN)) @@ -35,7 +35,7 @@ static int identical(struct sockaddr_atmsvc *a, struct sockaddr_atmsvc *b) return !strcmp(a->sas_addr.pub, b->sas_addr.pub); } -static void notify_sigd(struct atm_dev *dev) +static void notify_sigd(const struct atm_dev *dev) { struct sockaddr_atmpvc pvc; @@ -63,7 +63,7 @@ void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t atype) notify_sigd(dev); } -int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr, +int atm_add_addr(struct atm_dev *dev, const struct sockaddr_atmsvc *addr, enum atm_addr_type_t atype) { unsigned long flags; @@ -98,7 +98,7 @@ int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr, return 0; } -int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr, +int atm_del_addr(struct atm_dev *dev, const struct sockaddr_atmsvc *addr, enum atm_addr_type_t atype) { unsigned long flags; diff --git a/net/atm/addr.h b/net/atm/addr.h index f39433ad45..6837e9e7eb 100644 --- a/net/atm/addr.h +++ b/net/atm/addr.h @@ -10,9 +10,9 @@ #include void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t type); -int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr, +int atm_add_addr(struct atm_dev *dev, const struct sockaddr_atmsvc *addr, enum atm_addr_type_t type); -int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr, +int atm_del_addr(struct atm_dev *dev, const struct sockaddr_atmsvc *addr, enum atm_addr_type_t type); int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user *buf, size_t size, enum atm_addr_type_t type); diff --git a/net/atm/br2684.c b/net/atm/br2684.c index 05fafdc2ee..8d9a6f1588 100644 --- a/net/atm/br2684.c +++ b/net/atm/br2684.c @@ -52,12 +52,12 @@ static void skb_debug(const struct sk_buff *skb) #define ETHERTYPE_IPV6 0x86, 0xdd #define PAD_BRIDGED 0x00, 0x00 -static unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 }; -static unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 }; -static unsigned char llc_oui_pid_pad[] = +static const unsigned char ethertype_ipv4[] = { ETHERTYPE_IPV4 }; +static const unsigned char ethertype_ipv6[] = { ETHERTYPE_IPV6 }; +static const unsigned char llc_oui_pid_pad[] = { LLC, SNAP_BRIDGED, PID_ETHERNET, PAD_BRIDGED }; -static unsigned char llc_oui_ipv4[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV4 }; -static unsigned char llc_oui_ipv6[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV6 }; +static const unsigned char llc_oui_ipv4[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV4 }; +static const unsigned char llc_oui_ipv6[] = { LLC, SNAP_ROUTED, ETHERTYPE_IPV6 }; enum br2684_encaps { e_vc = BR2684_ENCAPS_VC, @@ -217,8 +217,8 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct br2684_dev *brdev, return 1; } -static inline struct br2684_vcc *pick_outgoing_vcc(struct sk_buff *skb, - struct br2684_dev *brdev) +static inline struct br2684_vcc *pick_outgoing_vcc(const struct sk_buff *skb, + const struct br2684_dev *brdev) { return list_empty(&brdev->brvccs) ? NULL : list_entry_brvcc(brdev->brvccs.next); /* 1 vcc/dev right now */ } diff --git a/net/atm/common.c b/net/atm/common.c index c865517ba4..d34edbe754 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -262,7 +262,7 @@ static int adjust_tp(struct atm_trafprm *tp,unsigned char aal) } -static int check_ci(struct atm_vcc *vcc, short vpi, int vci) +static int check_ci(const struct atm_vcc *vcc, short vpi, int vci) { struct hlist_head *head = &vcc_hash[vci & (VCC_HTABLE_SIZE - 1)]; @@ -290,7 +290,7 @@ static int check_ci(struct atm_vcc *vcc, short vpi, int vci) } -static int find_ci(struct atm_vcc *vcc, short *vpi, int *vci) +static int find_ci(const struct atm_vcc *vcc, short *vpi, int *vci) { static short p; /* poor man's per-device cache */ static int c; @@ -646,7 +646,7 @@ static int atm_change_qos(struct atm_vcc *vcc,struct atm_qos *qos) } -static int check_tp(struct atm_trafprm *tp) +static int check_tp(const struct atm_trafprm *tp) { /* @@@ Should be merged with adjust_tp */ if (!tp->traffic_class || tp->traffic_class == ATM_ANYCLASS) return 0; @@ -663,7 +663,7 @@ static int check_tp(struct atm_trafprm *tp) } -static int check_qos(struct atm_qos *qos) +static int check_qos(const struct atm_qos *qos) { int error; diff --git a/net/atm/lec.c b/net/atm/lec.c index 653aca3573..5799fb5236 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -65,36 +65,36 @@ static int lec_close(struct net_device *dev); static struct net_device_stats *lec_get_stats(struct net_device *dev); static void lec_init(struct net_device *dev); static struct lec_arp_table *lec_arp_find(struct lec_priv *priv, - unsigned char *mac_addr); + const unsigned char *mac_addr); static int lec_arp_remove(struct lec_priv *priv, struct lec_arp_table *to_remove); /* LANE2 functions */ -static void lane2_associate_ind(struct net_device *dev, u8 *mac_address, - u8 *tlvs, u32 sizeoftlvs); -static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force, +static void lane2_associate_ind(struct net_device *dev, const u8 *mac_address, + const u8 *tlvs, u32 sizeoftlvs); +static int lane2_resolve(struct net_device *dev, const u8 *dst_mac, int force, u8 **tlvs, u32 *sizeoftlvs); -static int lane2_associate_req(struct net_device *dev, u8 *lan_dst, - u8 *tlvs, u32 sizeoftlvs); +static int lane2_associate_req(struct net_device *dev, const u8 *lan_dst, + const u8 *tlvs, u32 sizeoftlvs); -static int lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr, +static int lec_addr_delete(struct lec_priv *priv, const unsigned char *atm_addr, unsigned long permanent); static void lec_arp_check_empties(struct lec_priv *priv, struct atm_vcc *vcc, struct sk_buff *skb); static void lec_arp_destroy(struct lec_priv *priv); static void lec_arp_init(struct lec_priv *priv); static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv, - unsigned char *mac_to_find, + const unsigned char *mac_to_find, int is_rdesc, struct lec_arp_table **ret_entry); -static void lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr, - unsigned char *atm_addr, unsigned long remoteflag, +static void lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr, + const unsigned char *atm_addr, unsigned long remoteflag, unsigned int targetless_le_arp); static void lec_flush_complete(struct lec_priv *priv, unsigned long tran_id); static int lec_mcast_make(struct lec_priv *priv, struct atm_vcc *vcc); static void lec_set_flush_tran_id(struct lec_priv *priv, - unsigned char *atm_addr, + const unsigned char *atm_addr, unsigned long tran_id); -static void lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data, +static void lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data, struct atm_vcc *vcc, void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb)); @@ -634,7 +634,7 @@ static struct atm_dev lecatm_dev = { */ static int send_to_lecd(struct lec_priv *priv, atmlec_msg_type type, - unsigned char *mac_addr, unsigned char *atm_addr, + const unsigned char *mac_addr, const unsigned char *atm_addr, struct sk_buff *data) { struct sock *sk; @@ -705,10 +705,9 @@ static void lec_init(struct net_device *dev) dev->set_multicast_list = lec_set_multicast_list; dev->do_ioctl = NULL; printk("%s: Initialized!\n", dev->name); - return; } -static unsigned char lec_ctrl_magic[] = { +static const unsigned char lec_ctrl_magic[] = { 0xff, 0x00, 0x01, @@ -1276,7 +1275,7 @@ module_exit(lane_module_cleanup); * lec will be used. * If dst_mac == NULL, targetless LE_ARP will be sent */ -static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force, +static int lane2_resolve(struct net_device *dev, const u8 *dst_mac, int force, u8 **tlvs, u32 *sizeoftlvs) { unsigned long flags; @@ -1322,8 +1321,8 @@ static int lane2_resolve(struct net_device *dev, u8 *dst_mac, int force, * Returns 1 for success, 0 for failure (out of memory) * */ -static int lane2_associate_req(struct net_device *dev, u8 *lan_dst, - u8 *tlvs, u32 sizeoftlvs) +static int lane2_associate_req(struct net_device *dev, const u8 *lan_dst, + const u8 *tlvs, u32 sizeoftlvs) { int retval; struct sk_buff *skb; @@ -1358,8 +1357,8 @@ static int lane2_associate_req(struct net_device *dev, u8 *lan_dst, * LANE2: 3.1.5, LE_ASSOCIATE.indication * */ -static void lane2_associate_ind(struct net_device *dev, u8 *mac_addr, - u8 *tlvs, u32 sizeoftlvs) +static void lane2_associate_ind(struct net_device *dev, const u8 *mac_addr, + const u8 *tlvs, u32 sizeoftlvs) { #if 0 int i = 0; @@ -1744,7 +1743,7 @@ static void lec_arp_destroy(struct lec_priv *priv) * Find entry by mac_address */ static struct lec_arp_table *lec_arp_find(struct lec_priv *priv, - unsigned char *mac_addr) + const unsigned char *mac_addr) { struct hlist_node *node; struct hlist_head *head; @@ -1764,7 +1763,7 @@ static struct lec_arp_table *lec_arp_find(struct lec_priv *priv, } static struct lec_arp_table *make_entry(struct lec_priv *priv, - unsigned char *mac_addr) + const unsigned char *mac_addr) { struct lec_arp_table *to_return; @@ -1921,7 +1920,7 @@ restart: * */ static struct atm_vcc *lec_arp_resolve(struct lec_priv *priv, - unsigned char *mac_to_find, int is_rdesc, + const unsigned char *mac_to_find, int is_rdesc, struct lec_arp_table **ret_entry) { unsigned long flags; @@ -2017,7 +2016,7 @@ out: } static int -lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr, +lec_addr_delete(struct lec_priv *priv, const unsigned char *atm_addr, unsigned long permanent) { unsigned long flags; @@ -2047,8 +2046,8 @@ lec_addr_delete(struct lec_priv *priv, unsigned char *atm_addr, * Notifies: Response to arp_request (atm_addr != NULL) */ static void -lec_arp_update(struct lec_priv *priv, unsigned char *mac_addr, - unsigned char *atm_addr, unsigned long remoteflag, +lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr, + const unsigned char *atm_addr, unsigned long remoteflag, unsigned int targetless_le_arp) { unsigned long flags; @@ -2148,7 +2147,7 @@ out: * Notifies: Vcc setup ready */ static void -lec_vcc_added(struct lec_priv *priv, struct atmlec_ioc *ioc_data, +lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data, struct atm_vcc *vcc, void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb)) { @@ -2336,7 +2335,7 @@ restart: static void lec_set_flush_tran_id(struct lec_priv *priv, - unsigned char *atm_addr, unsigned long tran_id) + const unsigned char *atm_addr, unsigned long tran_id) { unsigned long flags; struct hlist_node *node; diff --git a/net/atm/lec.h b/net/atm/lec.h index b41cda7ea1..0d376682c1 100644 --- a/net/atm/lec.h +++ b/net/atm/lec.h @@ -42,12 +42,12 @@ struct lecdatahdr_8025 { * */ struct lane2_ops { - int (*resolve) (struct net_device *dev, u8 *dst_mac, int force, + int (*resolve) (struct net_device *dev, const u8 *dst_mac, int force, u8 **tlvs, u32 *sizeoftlvs); - int (*associate_req) (struct net_device *dev, u8 *lan_dst, - u8 *tlvs, u32 sizeoftlvs); - void (*associate_indicator) (struct net_device *dev, u8 *mac_addr, - u8 *tlvs, u32 sizeoftlvs); + int (*associate_req) (struct net_device *dev, const u8 *lan_dst, + const u8 *tlvs, u32 sizeoftlvs); + void (*associate_indicator) (struct net_device *dev, const u8 *mac_addr, + const u8 *tlvs, u32 sizeoftlvs); }; /* -- 2.39.5