diff options
36 files changed, 136 insertions, 100 deletions
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index e82339a78c0..2de7ae0180a 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -235,12 +235,13 @@ clusterip_del_node(struct clusterip_config *c, u_int16_t nodenum) #endif static inline u_int32_t -clusterip_hashfn(struct sk_buff *skb, struct clusterip_config *config) +clusterip_hashfn(const struct sk_buff *skb, + const struct clusterip_config *config) { - struct iphdr *iph = ip_hdr(skb); + const struct iphdr *iph = ip_hdr(skb); unsigned long hashval; u_int16_t sport, dport; - u_int16_t *ports; + const u_int16_t *ports; switch (iph->protocol) { case IPPROTO_TCP: @@ -249,7 +250,7 @@ clusterip_hashfn(struct sk_buff *skb, struct clusterip_config *config) case IPPROTO_SCTP: case IPPROTO_DCCP: case IPPROTO_ICMP: - ports = (void *)iph+iph->ihl*4; + ports = (const void *)iph+iph->ihl*4; sport = ports[0]; dport = ports[1]; break; @@ -289,7 +290,7 @@ clusterip_hashfn(struct sk_buff *skb, struct clusterip_config *config) } static inline int -clusterip_responsible(struct clusterip_config *config, u_int32_t hash) +clusterip_responsible(const struct clusterip_config *config, u_int32_t hash) { return test_bit(hash - 1, &config->local_nodes); } diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c index bbff6c352ef..bcc43a625e7 100644 --- a/net/ipv4/netfilter/ipt_LOG.c +++ b/net/ipv4/netfilter/ipt_LOG.c @@ -41,7 +41,8 @@ static void dump_packet(const struct nf_loginfo *info, const struct sk_buff *skb, unsigned int iphoff) { - struct iphdr _iph, *ih; + struct iphdr _iph; + const struct iphdr *ih; unsigned int logflags; if (info->type == NF_LOG_TYPE_LOG) @@ -100,7 +101,8 @@ static void dump_packet(const struct nf_loginfo *info, switch (ih->protocol) { case IPPROTO_TCP: { - struct tcphdr _tcph, *th; + struct tcphdr _tcph; + const struct tcphdr *th; /* Max length: 10 "PROTO=TCP " */ printk("PROTO=TCP "); @@ -151,7 +153,7 @@ static void dump_packet(const struct nf_loginfo *info, if ((logflags & IPT_LOG_TCPOPT) && th->doff * 4 > sizeof(struct tcphdr)) { unsigned char _opt[4 * 15 - sizeof(struct tcphdr)]; - unsigned char *op; + const unsigned char *op; unsigned int i, optsize; optsize = th->doff * 4 - sizeof(struct tcphdr); @@ -173,7 +175,8 @@ static void dump_packet(const struct nf_loginfo *info, } case IPPROTO_UDP: case IPPROTO_UDPLITE: { - struct udphdr _udph, *uh; + struct udphdr _udph; + const struct udphdr *uh; if (ih->protocol == IPPROTO_UDP) /* Max length: 10 "PROTO=UDP " */ @@ -200,7 +203,8 @@ static void dump_packet(const struct nf_loginfo *info, break; } case IPPROTO_ICMP: { - struct icmphdr _icmph, *ich; + struct icmphdr _icmph; + const struct icmphdr *ich; static const size_t required_len[NR_ICMP_TYPES+1] = { [ICMP_ECHOREPLY] = 4, [ICMP_DEST_UNREACH] @@ -285,7 +289,8 @@ static void dump_packet(const struct nf_loginfo *info, } /* Max Length */ case IPPROTO_AH: { - struct ip_auth_hdr _ahdr, *ah; + struct ip_auth_hdr _ahdr; + const struct ip_auth_hdr *ah; if (ntohs(ih->frag_off) & IP_OFFSET) break; @@ -307,7 +312,8 @@ static void dump_packet(const struct nf_loginfo *info, break; } case IPPROTO_ESP: { - struct ip_esp_hdr _esph, *eh; + struct ip_esp_hdr _esph; + const struct ip_esp_hdr *eh; /* Max length: 10 "PROTO=ESP " */ printk("PROTO=ESP "); @@ -385,11 +391,13 @@ ipt_log_packet(unsigned int pf, out ? out->name : ""); #ifdef CONFIG_BRIDGE_NETFILTER if (skb->nf_bridge) { - struct net_device *physindev = skb->nf_bridge->physindev; - struct net_device *physoutdev = skb->nf_bridge->physoutdev; + const struct net_device *physindev; + const struct net_device *physoutdev; + physindev = skb->nf_bridge->physindev; if (physindev && in != physindev) printk("PHYSIN=%s ", physindev->name); + physoutdev = skb->nf_bridge->physoutdev; if (physoutdev && out != physoutdev) printk("PHYSOUT=%s ", physoutdev->name); } diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c index b5b216408ee..846a0e72721 100644 --- a/net/ipv4/netfilter/ipt_MASQUERADE.c +++ b/net/ipv4/netfilter/ipt_MASQUERADE.c @@ -70,7 +70,7 @@ masquerade_target(struct sk_buff **pskb, enum ip_conntrack_info ctinfo; struct nf_nat_range newrange; const struct nf_nat_multi_range_compat *mr; - struct rtable *rt; + const struct rtable *rt; __be32 newsrc; NF_CT_ASSERT(hooknum == NF_IP_POST_ROUTING); @@ -112,7 +112,7 @@ masquerade_target(struct sk_buff **pskb, static inline int device_cmp(struct nf_conn *i, void *ifindex) { - struct nf_conn_nat *nat = nfct_nat(i); + const struct nf_conn_nat *nat = nfct_nat(i); int ret; if (!nat) @@ -129,7 +129,7 @@ static int masq_device_event(struct notifier_block *this, unsigned long event, void *ptr) { - struct net_device *dev = ptr; + const struct net_device *dev = ptr; if (event == NETDEV_DOWN) { /* Device was downed. Search entire table for @@ -147,7 +147,7 @@ static int masq_inet_event(struct notifier_block *this, unsigned long event, void *ptr) { - struct net_device *dev = ((struct in_ifaddr *)ptr)->ifa_dev->dev; + const struct net_device *dev = ((struct in_ifaddr *)ptr)->ifa_dev->dev; if (event == NETDEV_DOWN) { /* IP address was deleted. Search entire table for diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c index 5c3270d325f..90f7b709378 100644 --- a/net/ipv4/netfilter/ipt_REJECT.c +++ b/net/ipv4/netfilter/ipt_REJECT.c @@ -122,7 +122,7 @@ static void send_reset(struct sk_buff *oldskb, int hook) tcph->check = 0; tcph->check = tcp_v4_check(sizeof(struct tcphdr), niph->saddr, niph->daddr, - csum_partial((char *)tcph, + csum_partial(tcph, sizeof(struct tcphdr), 0)); /* Set DF, id = 0 */ diff --git a/net/ipv4/netfilter/ipt_TTL.c b/net/ipv4/netfilter/ipt_TTL.c index 96b6e3514c2..f53f2c4ca4a 100644 --- a/net/ipv4/netfilter/ipt_TTL.c +++ b/net/ipv4/netfilter/ipt_TTL.c @@ -68,7 +68,7 @@ static bool ipt_ttl_checkentry(const char *tablename, void *targinfo, unsigned int hook_mask) { - struct ipt_TTL_info *info = targinfo; + const struct ipt_TTL_info *info = targinfo; if (info->mode > IPT_TTL_MAXMODE) { printk(KERN_WARNING "ipt_TTL: invalid or unknown Mode %u\n", diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c index dfa7afd8476..282eb00fc47 100644 --- a/net/ipv4/netfilter/ipt_ULOG.c +++ b/net/ipv4/netfilter/ipt_ULOG.c @@ -334,7 +334,7 @@ static bool ipt_ulog_checkentry(const char *tablename, void *targinfo, unsigned int hookmask) { - struct ipt_ulog_info *loginfo = (struct ipt_ulog_info *) targinfo; + const struct ipt_ulog_info *loginfo = targinfo; if (loginfo->prefix[sizeof(loginfo->prefix) - 1] != '\0') { DEBUGP("ipt_ULOG: prefix term %i\n", @@ -359,7 +359,7 @@ struct compat_ipt_ulog_info { static void compat_from_user(void *dst, void *src) { - struct compat_ipt_ulog_info *cl = src; + const struct compat_ipt_ulog_info *cl = src; struct ipt_ulog_info l = { .nl_group = cl->nl_group, .copy_range = cl->copy_range, @@ -372,7 +372,7 @@ static void compat_from_user(void *dst, void *src) static int compat_to_user(void __user *dst, void *src) { - struct ipt_ulog_info *l = src; + const struct ipt_ulog_info *l = src; struct compat_ipt_ulog_info cl = { .nl_group = l->nl_group, .copy_range = l->copy_range, diff --git a/net/ipv4/netfilter/ipt_ah.c b/net/ipv4/netfilter/ipt_ah.c index 6b5b7c9f739..49d503cbab0 100644 --- a/net/ipv4/netfilter/ipt_ah.c +++ b/net/ipv4/netfilter/ipt_ah.c @@ -46,7 +46,8 @@ match(const struct sk_buff *skb, unsigned int protoff, bool *hotdrop) { - struct ip_auth_hdr _ahdr, *ah; + struct ip_auth_hdr _ahdr; + const struct ip_auth_hdr *ah; const struct ipt_ah *ahinfo = matchinfo; /* Must not be a fragment. */ diff --git a/net/ipv4/netfilter/ipt_ecn.c b/net/ipv4/netfilter/ipt_ecn.c index ba4f5497add..3129e310616 100644 --- a/net/ipv4/netfilter/ipt_ecn.c +++ b/net/ipv4/netfilter/ipt_ecn.c @@ -32,7 +32,8 @@ static inline bool match_tcp(const struct sk_buff *skb, const struct ipt_ecn_info *einfo, bool *hotdrop) { - struct tcphdr _tcph, *th; + struct tcphdr _tcph; + const struct tcphdr *th; /* In practice, TCP match does this, so can't fail. But let's * be good citizens. diff --git a/net/ipv4/netfilter/ipt_recent.c b/net/ipv4/netfilter/ipt_recent.c index d632e0e6ef1..d03e6a6eb76 100644 --- a/net/ipv4/netfilter/ipt_recent.c +++ b/net/ipv4/netfilter/ipt_recent.c @@ -323,7 +323,7 @@ struct recent_iter_state { static void *recent_seq_start(struct seq_file *seq, loff_t *pos) { struct recent_iter_state *st = seq->private; - struct recent_table *t = st->table; + const struct recent_table *t = st->table; struct recent_entry *e; loff_t p = *pos; diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c index b1aa5983a95..ef0a99e09fd 100644 --- a/net/ipv4/netfilter/nf_nat_helper.c +++ b/net/ipv4/netfilter/nf_nat_helper.c @@ -190,7 +190,7 @@ nf_nat_mangle_tcp_packet(struct sk_buff **pskb, tcph->check = 0; tcph->check = tcp_v4_check(datalen, iph->saddr, iph->daddr, - csum_partial((char *)tcph, + csum_partial(tcph, datalen, 0)); } } else @@ -278,7 +278,7 @@ nf_nat_mangle_udp_packet(struct sk_buff **pskb, udph->check = 0; udph->check = csum_tcpudp_magic(iph->saddr, iph->daddr, datalen, IPPROTO_UDP, - csum_partial((char *)udph, + csum_partial(udph, datalen, 0)); if (!udph->check) udph->check = CSUM_MANGLED_0; diff --git a/net/ipv6/netfilter/ip6t_HL.c b/net/ipv6/netfilter/ip6t_HL.c index 82966c09fd6..20047ff5492 100644 --- a/net/ipv6/netfilter/ip6t_HL.c +++ b/net/ipv6/netfilter/ip6t_HL.c @@ -64,7 +64,7 @@ static bool ip6t_hl_checkentry(const char *tablename, void *targinfo, unsigned int hook_mask) { - struct ip6t_HL_info *info = targinfo; + const struct ip6t_HL_info *info = targinfo; if (info->mode > IP6T_HL_MAXMODE) { printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n", diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c index aa4b9a14a11..996168d2ca2 100644 --- a/net/ipv6/netfilter/ip6t_LOG.c +++ b/net/ipv6/netfilter/ip6t_LOG.c @@ -48,7 +48,8 @@ static void dump_packet(const struct nf_loginfo *info, { u_int8_t currenthdr; int fragment; - struct ipv6hdr _ip6h, *ih; + struct ipv6hdr _ip6h; + const struct ipv6hdr *ih; unsigned int ptr; unsigned int hdrlen = 0; unsigned int logflags; @@ -78,7 +79,8 @@ static void dump_packet(const struct nf_loginfo *info, ptr = ip6hoff + sizeof(struct ipv6hdr); currenthdr = ih->nexthdr; while (currenthdr != NEXTHDR_NONE && ip6t_ext_hdr(currenthdr)) { - struct ipv6_opt_hdr _hdr, *hp; + struct ipv6_opt_hdr _hdr; + const struct ipv6_opt_hdr *hp; hp = skb_header_pointer(skb, ptr, sizeof(_hdr), &_hdr); if (hp == NULL) { @@ -92,7 +94,8 @@ static void dump_packet(const struct nf_loginfo *info, switch (currenthdr) { case IPPROTO_FRAGMENT: { - struct frag_hdr _fhdr, *fh; + struct frag_hdr _fhdr; + const struct frag_hdr *fh; printk("FRAG:"); fh = skb_header_pointer(skb, ptr, sizeof(_fhdr), @@ -131,7 +134,8 @@ static void dump_packet(const struct nf_loginfo *info, /* Max Length */ case IPPROTO_AH: if (logflags & IP6T_LOG_IPOPT) { - struct ip_auth_hdr _ahdr, *ah; + struct ip_auth_hdr _ahdr; + const struct ip_auth_hdr *ah; /* Max length: 3 "AH " */ printk("AH "); @@ -162,7 +166,8 @@ static void dump_packet(const struct nf_loginfo *info, break; case IPPROTO_ESP: if (logflags & IP6T_LOG_IPOPT) { - struct ip_esp_hdr _esph, *eh; + struct ip_esp_hdr _esph; + const struct ip_esp_hdr *eh; /* Max length: 4 "ESP " */ printk("ESP "); @@ -202,7 +207,8 @@ static void dump_packet(const struct nf_loginfo *info, switch (currenthdr) { case IPPROTO_TCP: { - struct tcphdr _tcph, *th; + struct tcphdr _tcph; + const struct tcphdr *th; /* Max length: 10 "PROTO=TCP " */ printk("PROTO=TCP "); @@ -250,7 +256,8 @@ static void dump_packet(const struct nf_loginfo *info, if ((logflags & IP6T_LOG_TCPOPT) && th->doff * 4 > sizeof(struct tcphdr)) { - u_int8_t _opt[60 - sizeof(struct tcphdr)], *op; + u_int8_t _opt[60 - sizeof(struct tcphdr)]; + const u_int8_t *op; unsigned int i; unsigned int optsize = th->doff * 4 - sizeof(struct tcphdr); @@ -273,7 +280,8 @@ static void dump_packet(const struct nf_loginfo *info, } case IPPROTO_UDP: case IPPROTO_UDPLITE: { - struct udphdr _udph, *uh; + struct udphdr _udph; + const struct udphdr *uh; if (currenthdr == IPPROTO_UDP) /* Max length: 10 "PROTO=UDP " */ @@ -298,7 +306,8 @@ static void dump_packet(const struct nf_loginfo *info, break; } case IPPROTO_ICMPV6: { - struct icmp6hdr _icmp6h, *ic; + struct icmp6hdr _icmp6h; + const struct icmp6hdr *ic; /* Max length: 13 "PROTO=ICMPv6 " */ printk("PROTO=ICMPv6 "); diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c index 8639a0599bf..4df07f0adf1 100644 --- a/net/ipv6/netfilter/ip6t_REJECT.c +++ b/net/ipv6/netfilter/ip6t_REJECT.c @@ -159,7 +159,7 @@ static void send_reset(struct sk_buff *oldskb) tcph->check = csum_ipv6_magic(&ipv6_hdr(nskb)->saddr, &ipv6_hdr(nskb)->daddr, sizeof(struct tcphdr), IPPROTO_TCP, - csum_partial((char *)tcph, + csum_partial(tcph, sizeof(struct tcphdr), 0)); nf_ct_attach(nskb, oldskb); diff --git a/net/ipv6/netfilter/ip6t_ah.c b/net/ipv6/netfilter/ip6t_ah.c index 8fc00bdfc38..b4b1d282761 100644 --- a/net/ipv6/netfilter/ip6t_ah.c +++ b/net/ipv6/netfilter/ip6t_ah.c @@ -51,7 +51,8 @@ match(const struct sk_buff *skb, unsigned int protoff, bool *hotdrop) { - struct ip_auth_hdr *ah, _ah; + struct ip_auth_hdr _ah; + const struct ip_auth_hdr *ah; const struct ip6t_ah *ahinfo = matchinfo; unsigned int ptr; unsigned int hdrlen = 0; diff --git a/net/ipv6/netfilter/ip6t_frag.c b/net/ipv6/netfilter/ip6t_frag.c index f0aed898e8b..e0e416bb284 100644 --- a/net/ipv6/netfilter/ip6t_frag.c +++ b/net/ipv6/netfilter/ip6t_frag.c @@ -50,7 +50,8 @@ match(const struct sk_buff *skb, unsigned int protoff, bool *hotdrop) { - struct frag_hdr _frag, *fh; + struct frag_hdr _frag; + const struct frag_hdr *fh; const struct ip6t_frag *fraginfo = matchinfo; unsigned int ptr; int err; diff --git a/net/ipv6/netfilter/ip6t_hbh.c b/net/ipv6/netfilter/ip6t_hbh.c index 6fdd79785f3..bbd2615ad2e 100644 --- a/net/ipv6/netfilter/ip6t_hbh.c +++ b/net/ipv6/netfilter/ip6t_hbh.c @@ -57,14 +57,17 @@ match(const struct sk_buff *skb, unsigned int protoff, bool *hotdrop) { - struct ipv6_opt_hdr _optsh, *oh; + struct ipv6_opt_hdr _optsh; + const struct ipv6_opt_hdr *oh; const struct ip6t_opts *optinfo = matchinfo; unsigned int temp; unsigned int ptr; unsigned int hdrlen = 0; bool ret = false; - u8 _opttype, *tp = NULL; - u8 _optlen, *lp = NULL; + u8 _opttype; + u8 _optlen; + const u_int8_t *tp = NULL; + const u_int8_t *lp = NULL; unsigned int optlen; int err; diff --git a/net/ipv6/netfilter/ip6t_mh.c b/net/ipv6/netfilter/ip6t_mh.c index a3008b41d24..e94fdd82f28 100644 --- a/net/ipv6/netfilter/ip6t_mh.c +++ b/net/ipv6/netfilter/ip6t_mh.c @@ -47,7 +47,8 @@ match(const struct sk_buff *skb, unsigned int protoff, bool *hotdrop) { - struct ip6_mh _mh, *mh; + struct ip6_mh _mh; + const struct ip6_mh *mh; const struct ip6t_mh *mhinfo = matchinfo; /* Must not be a fragment. */ diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c index e991ed4a692..bc5ff4b1af3 100644 --- a/net/ipv6/netfilter/ip6t_rt.c +++ b/net/ipv6/netfilter/ip6t_rt.c @@ -52,13 +52,15 @@ match(const struct sk_buff *skb, unsigned int protoff, bool *hotdrop) { - struct ipv6_rt_hdr _route, *rh; + struct ipv6_rt_hdr _route; + const struct ipv6_rt_hdr *rh; const struct ip6t_rt *rtinfo = matchinfo; unsigned int temp; unsigned int ptr; unsigned int hdrlen = 0; bool ret = false; - struct in6_addr *ap, _addr; + struct in6_addr _addr; + const struct in6_addr *ap; int err; err = ipv6_find_hdr(skb, &ptr, NEXTHDR_ROUTING, NULL); @@ -100,9 +102,9 @@ match(const struct sk_buff *skb, !!(rtinfo->invflags & IP6T_RT_INV_LEN)))); DEBUGP("res %02X %02X %02X ", (rtinfo->flags & IP6T_RT_RES), - ((struct rt0_hdr *)rh)->reserved, + ((const struct rt0_hdr *)rh)->reserved, !((rtinfo->flags & IP6T_RT_RES) && - (((struct rt0_hdr *)rh)->reserved))); + (((const struct rt0_hdr *)rh)->reserved))); ret = (rh != NULL) && diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 3aaabec70d1..381a77cf0c9 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -231,13 +231,13 @@ void nf_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb, { __be32 diff[] = { ~from, to }; if (skb->ip_summed != CHECKSUM_PARTIAL) { - *sum = csum_fold(csum_partial((char *)diff, sizeof(diff), + *sum = csum_fold(csum_partial(diff, sizeof(diff), ~csum_unfold(*sum))); if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr) - skb->csum = ~csum_partial((char *)diff, sizeof(diff), + skb->csum = ~csum_partial(diff, sizeof(diff), ~skb->csum); } else if (pseudohdr) - *sum = ~csum_fold(csum_partial((char *)diff, sizeof(diff), + *sum = ~csum_fold(csum_partial(diff, sizeof(diff), csum_unfold(*sum))); } EXPORT_SYMBOL(nf_proto_csum_replace4); diff --git a/net/netfilter/xt_CONNMARK.c b/net/netfilter/xt_CONNMARK.c index 4e8aa1b0cba..4284a59b03e 100644 --- a/net/netfilter/xt_CONNMARK.c +++ b/net/netfilter/xt_CONNMARK.c @@ -83,7 +83,7 @@ checkentry(const char *tablename, void *targinfo, unsigned int hook_mask) { - struct xt_connmark_target_info *matchinfo = targinfo; + const struct xt_connmark_target_info *matchinfo = targinfo; if (nf_ct_l3proto_try_module_get(target->family) < 0) { printk(KERN_WARNING "can't load conntrack support for " @@ -121,7 +121,7 @@ struct compat_xt_connmark_target_info { static void compat_from_user(void *dst, void *src) { - struct compat_xt_connmark_target_info *cm = src; + const struct compat_xt_connmark_target_info *cm = src; struct xt_connmark_target_info m = { .mark = cm->mark, .mask = cm->mask, @@ -132,7 +132,7 @@ static void compat_from_user(void *dst, void *src) static int compat_to_user(void __user *dst, void *src) { - struct xt_connmark_target_info *m = src; + const struct xt_connmark_target_info *m = src; struct compat_xt_connmark_target_info cm = { .mark = m->mark, .mask = m->mask, diff --git a/net/netfilter/xt_CONNSECMARK.c b/net/netfilter/xt_CONNSECMARK.c index ab2f0d01695..8d5e154013d 100644 --- a/net/netfilter/xt_CONNSECMARK.c +++ b/net/netfilter/xt_CONNSECMARK.c @@ -33,7 +33,7 @@ MODULE_ALIAS("ip6t_CONNSECMARK"); * If the packet has a security mark and the connection does not, copy * the security mark from the packet to the connection. */ -static void secmark_save(struct sk_buff *skb) +static void secmark_save(const struct sk_buff *skb) { if (skb->secmark) { struct nf_conn *ct; @@ -89,7 +89,7 @@ static bool checkentry(const char *tablename, const void *entry, const struct xt_target *target, void *targinfo, unsigned int hook_mask) { - struct xt_connsecmark_target_info *info = targinfo; + const struct xt_connsecmark_target_info *info = targinfo; if (nf_ct_l3proto_try_module_get(target->family) < 0) { printk(KERN_WARNING "can't load conntrack support for " diff --git a/net/netfilter/xt_MARK.c b/net/netfilter/xt_MARK.c index bd9cdf29cc3..6b7369fc263 100644 --- a/net/netfilter/xt_MARK.c +++ b/net/netfilter/xt_MARK.c @@ -72,7 +72,7 @@ checkentry_v0(const char *tablename, void *targinfo, unsigned int hook_mask) { - struct xt_mark_target_info *markinfo = targinfo; + const struct xt_mark_target_info *markinfo = targinfo; if (markinfo->mark > 0xffffffff) { printk(KERN_WARNING "MARK: Only supports 32bit wide mark\n"); @@ -88,7 +88,7 @@ checkentry_v1(const char *tablename, void *targinfo, unsigned int hook_mask) { - struct xt_mark_target_info_v1 *markinfo = targinfo; + const struct xt_mark_target_info_v1 *markinfo = targinfo; if (markinfo->mode != XT_MARK_SET && markinfo->mode != XT_MARK_AND @@ -114,7 +114,7 @@ struct compat_xt_mark_target_info_v1 { static void compat_from_user_v1(void *dst, void *src) { - struct compat_xt_mark_target_info_v1 *cm = src; + const struct compat_xt_mark_target_info_v1 *cm = src; struct xt_mark_target_info_v1 m = { .mark = cm->mark, .mode = cm->mode, @@ -124,7 +124,7 @@ static void compat_from_user_v1(void *dst, void *src) static int compat_to_user_v1(void __user *dst, void *src) { - struct xt_mark_target_info_v1 *m = src; + const struct xt_mark_target_info_v1 *m = src; struct compat_xt_mark_target_info_v1 cm = { .mark = m->mark, .mode = m->mode, diff --git a/net/netfilter/xt_NFLOG.c b/net/netfilter/xt_NFLOG.c index 0c6f2838cc9..20e55d588a3 100644 --- a/net/netfilter/xt_NFLOG.c +++ b/net/netfilter/xt_NFLOG.c @@ -43,7 +43,7 @@ nflog_checkentry(const char *tablename, const void *entry, const struct xt_target *target, void *targetinfo, unsigned int hookmask) { - struct xt_nflog_info *info = targetinfo; + const struct xt_nflog_info *info = targetinfo; if (info->flags & ~XT_NFLOG_MASK) return false; diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c index 12541784109..99c246e45c4 100644 --- a/net/netfilter/xt_connbytes.c +++ b/net/netfilter/xt_connbytes.c @@ -26,7 +26,7 @@ match(const struct sk_buff *skb, bool *hotdrop) { const struct xt_connbytes_info *sinfo = matchinfo; - struct nf_conn *ct; + const struct nf_conn *ct; enum ip_conntrack_info ctinfo; u_int64_t what = 0; /* initialize to make gcc happy */ u_int64_t bytes = 0; diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index 94d5251b3d8..71f3c1a5d5e 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -41,7 +41,7 @@ match(const struct sk_buff *skb, bool *hotdrop) { const struct xt_connmark_info *info = matchinfo; - struct nf_conn *ct; + const struct nf_conn *ct; enum ip_conntrack_info ctinfo; ct = nf_ct_get(skb, &ctinfo); @@ -58,7 +58,7 @@ checkentry(const char *tablename, void *matchinfo, unsigned int hook_mask) { - struct xt_connmark_info *cm = matchinfo; + const struct xt_connmark_info *cm = matchinfo; if (cm->mark > 0xffffffff || cm->mask > 0xffffffff) { printk(KERN_WARNING "connmark: only support 32bit mark\n"); @@ -88,7 +88,7 @@ struct compat_xt_connmark_info { static void compat_from_user(void *dst, void *src) { - struct compat_xt_connmark_info *cm = src; + const struct compat_xt_connmark_info *cm = src; struct xt_connmark_info m = { .mark = cm->mark, .mask = cm->mask, @@ -99,7 +99,7 @@ static void compat_from_user(void *dst, void *src) static int compat_to_user(void __user *dst, void *src) { - struct xt_connmark_info *m = src; + const struct xt_connmark_info *m = src; struct compat_xt_connmark_info cm = { .mark = m->mark, .mask = m->mask, diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c index 87364f58a4b..9e3ec31f201 100644 --- a/net/netfilter/xt_conntrack.c +++ b/net/netfilter/xt_conntrack.c @@ -30,11 +30,11 @@ match(const struct sk_buff *skb, bool *hotdrop) { const struct xt_conntrack_info *sinfo = matchinfo; - struct nf_conn *ct; + const struct nf_conn *ct; enum ip_conntrack_info ctinfo; unsigned int statebit; - ct = nf_ct_get((struct sk_buff *)skb, &ctinfo); + ct = nf_ct_get(skb, &ctinfo); #define FWINV(bool,invflg) ((bool) ^ !!(sinfo->invflags & invflg)) @@ -150,7 +150,7 @@ struct compat_xt_conntrack_info static void compat_from_user(void *dst, void *src) { - struct compat_xt_conntrack_info *cm = src; + const struct compat_xt_conntrack_info *cm = src; struct xt_conntrack_info m = { .statemask = cm->statemask, .statusmask = cm->statusmask, @@ -167,7 +167,7 @@ static void compat_from_user(void *dst, void *src) static int compat_to_user(void __user *dst, void *src) { - struct xt_conntrack_info *m = src; + const struct xt_conntrack_info *m = src; struct compat_xt_conntrack_info cm = { .statemask = m->statemask, .statusmask = m->statusmask, diff --git a/net/netfilter/xt_dccp.c b/net/netfilter/xt_dccp.c index 24895902cfe..1b77c5bcb34 100644 --- a/net/netfilter/xt_dccp.c +++ b/net/netfilter/xt_dccp.c @@ -39,7 +39,7 @@ dccp_find_option(u_int8_t option, bool *hotdrop) { /* tcp.doff is only 4 bits, ie. max 15 * 4 bytes */ - unsigned char *op; + const unsigned char *op; unsigned int optoff = __dccp_hdr_len(dh); unsigned int optlen = dh->dccph_doff*4 - __dccp_hdr_len(dh); unsigned int i; diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index a1b5996447d..deb5890aa3a 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -95,7 +95,7 @@ static HLIST_HEAD(hashlimit_htables); static struct kmem_cache *hashlimit_cachep __read_mostly; static inline bool dst_cmp(const struct dsthash_ent *ent, - struct dsthash_dst *b) + const struct dsthash_dst *b) { return !memcmp(&ent->dst, b, sizeof(ent->dst)); } @@ -107,7 +107,8 @@ hash_dst(const struct xt_hashlimit_htable *ht, const struct dsthash_dst *dst) } static struct dsthash_ent * -dsthash_find(const struct xt_hashlimit_htable *ht, struct dsthash_dst *dst) +dsthash_find(const struct xt_hashlimit_htable *ht, + const struct dsthash_dst *dst) { struct dsthash_ent *ent; struct hlist_node *pos; @@ -123,7 +124,8 @@ dsthash_find(const struct xt_hashlimit_htable *ht, struct dsthash_dst *dst) /* allocate dsthash_ent, initialize dst, put in htable and lock it */ static struct dsthash_ent * -dsthash_alloc_init(struct xt_hashlimit_htable *ht, struct dsthash_dst *dst) +dsthash_alloc_init(struct xt_hashlimit_htable *ht, + const struct dsthash_dst *dst) { struct dsthash_ent *ent; @@ -228,19 +230,21 @@ static int htable_create(struct xt_hashlimit_info *minfo, int family) return 0; } -static bool select_all(struct xt_hashlimit_htable *ht, struct dsthash_ent *he) +static bool select_all(const struct xt_hashlimit_htable *ht, + const struct dsthash_ent *he) { return 1; } -static bool select_gc(struct xt_hashlimit_htable *ht, struct dsthash_ent *he) +static bool select_gc(const struct xt_hashlimit_htable *ht, + const struct dsthash_ent *he) { return (jiffies >= he->expires); } static void htable_selective_cleanup(struct xt_hashlimit_htable *ht, - bool (*select)(struct xt_hashlimit_htable *ht, - struct dsthash_ent *he)) + bool (*select)(const struct xt_hashlimit_htable *ht, + const struct dsthash_ent *he)) { unsigned int i; @@ -283,7 +287,8 @@ static void htable_destroy(struct xt_hashlimit_htable *hinfo) vfree(hinfo); } -static struct xt_hashlimit_htable *htable_find_get(char *name, int family) +static struct xt_hashlimit_htable *htable_find_get(const char *name, + int family) { struct xt_hashlimit_htable *hinfo; struct hlist_node *pos; @@ -368,7 +373,8 @@ static inline void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now) } static int -hashlimit_init_dst(struct xt_hashlimit_htable *hinfo, struct dsthash_dst *dst, +hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo, + struct dsthash_dst *dst, const struct sk_buff *skb, unsigned int protoff) { __be16 _ports[2], *ports; @@ -443,8 +449,8 @@ hashlimit_match(const struct sk_buff *skb, unsigned int protoff, bool *hotdrop) { - struct xt_hashlimit_info *r = - ((struct xt_hashlimit_info *)matchinfo)->u.master; + const struct xt_hashlimit_info *r = + ((const struct xt_hashlimit_info *)matchinfo)->u.master; struct xt_hashlimit_htable *hinfo = r->hinfo; unsigned long now = jiffies; struct dsthash_ent *dh; @@ -543,7 +549,7 @@ hashlimit_checkentry(const char *tablename, static void hashlimit_destroy(const struct xt_match *match, void *matchinfo) { - struct xt_hashlimit_info *r = matchinfo; + const struct xt_hashlimit_info *r = matchinfo; htable_put(r->hinfo); } diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c index a2688b807a9..047d0046b28 100644 --- a/net/netfilter/xt_helper.c +++ b/net/netfilter/xt_helper.c @@ -39,12 +39,12 @@ match(const struct sk_buff *skb, bool *hotdrop) { const struct xt_helper_info *info = matchinfo; - struct nf_conn *ct; - struct nf_conn_help *master_help; + const struct nf_conn *ct; + const struct nf_conn_help *master_help; enum ip_conntrack_info ctinfo; bool ret = info->invert; - ct = nf_ct_get((struct sk_buff *)skb, &ctinfo); + ct = nf_ct_get(skb, &ctinfo); if (!ct) { DEBUGP("xt_helper: Eek! invalid conntrack?\n"); return ret; diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c index 2717aa65246..b042419462a 100644 --- a/net/netfilter/xt_limit.c +++ b/net/netfilter/xt_limit.c @@ -67,7 +67,8 @@ ipt_limit_match(const struct sk_buff *skb, unsigned int protoff, bool *hotdrop) { - struct xt_rateinfo *r = ((struct xt_rateinfo *)matchinfo)->master; + struct xt_rateinfo *r = + ((const struct xt_rateinfo *)matchinfo)->master; unsigned long now = jiffies; spin_lock_bh(&limit_lock); @@ -144,7 +145,7 @@ struct compat_xt_rateinfo { * master pointer, which does not need to be preserved. */ static void compat_from_user(void *dst, void *src) { - struct compat_xt_rateinfo *cm = src; + const struct compat_xt_rateinfo *cm = src; struct xt_rateinfo m = { .avg = cm->avg, .burst = cm->burst, @@ -158,7 +159,7 @@ static void compat_from_user(void *dst, void *src) static int compat_to_user(void __user *dst, void *src) { - struct xt_rateinfo *m = src; + const struct xt_rateinfo *m = src; struct compat_xt_rateinfo cm = { .avg = m->avg, .burst = m->burst, diff --git a/net/netfilter/xt_mark.c b/net/netfilter/xt_mark.c index 83ed806764b..b8ab79452f0 100644 --- a/net/netfilter/xt_mark.c +++ b/net/netfilter/xt_mark.c @@ -60,7 +60,7 @@ struct compat_xt_mark_info { static void compat_from_user(void *dst, void *src) { - struct compat_xt_mark_info *cm = src; + const struct compat_xt_mark_info *cm = src; struct xt_mark_info m = { .mark = cm->mark, .mask = cm->mask, @@ -71,7 +71,7 @@ static void compat_from_user(void *dst, void *src) static int compat_to_user(void __user *dst, void *src) { - struct xt_mark_info *m = src; + const struct xt_mark_info *m = src; struct compat_xt_mark_info cm = { .mark = m->mark, .mask = m->mask, diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c index 34f0d3e44ea..467b2dcf7e6 100644 --- a/net/netfilter/xt_physdev.c +++ b/net/netfilter/xt_physdev.c @@ -36,7 +36,7 @@ match(const struct sk_buff *skb, const struct xt_physdev_info *info = matchinfo; bool ret; const char *indev, *outdev; - struct nf_bridge_info *nf_bridge; + const struct nf_bridge_info *nf_bridge; /* Not a bridged IP packet or no info available yet: * LOCAL_OUT/mangle and LOCAL_OUT/nat don't know if diff --git a/net/netfilter/xt_policy.c b/net/netfilter/xt_policy.c index 1534de55cdb..5ab6d71f8d0 100644 --- a/net/netfilter/xt_policy.c +++ b/net/netfilter/xt_policy.c @@ -34,7 +34,7 @@ xt_addr_cmp(const union xt_policy_addr *a1, const union xt_policy_addr *m, } static inline bool -match_xfrm_state(struct xfrm_state *x, const struct xt_policy_elem *e, +match_xfrm_state(const struct xfrm_state *x, const struct xt_policy_elem *e, unsigned short family) { #define MATCH_ADDR(x,y,z) (!e->match.x || \ @@ -55,7 +55,7 @@ match_policy_in(const struct sk_buff *skb, const struct xt_policy_info *info, unsigned short family) { const struct xt_policy_elem *e; - struct sec_path *sp = skb->sp; + const struct sec_path *sp = skb->sp; int strict = info->flags & XT_POLICY_MATCH_STRICT; int i, pos; @@ -85,7 +85,7 @@ match_policy_out(const struct sk_buff *skb, const struct xt_policy_info *info, unsigned short family) { const struct xt_policy_elem *e; - struct dst_entry *dst = skb->dst; + const struct dst_entry *dst = skb->dst; int strict = info->flags & XT_POLICY_MATCH_STRICT; int i, pos; diff --git a/net/netfilter/xt_quota.c b/net/netfilter/xt_quota.c index e13d62a8cab..feb130d14f2 100644 --- a/net/netfilter/xt_quota.c +++ b/net/netfilter/xt_quota.c @@ -22,7 +22,8 @@ match(const struct sk_buff *skb, const struct xt_match *match, const void *matchinfo, int offset, unsigned int protoff, bool *hotdrop) { - struct xt_quota_info *q = ((struct xt_quota_info *)matchinfo)->master; + struct xt_quota_info *q = + ((const struct xt_quota_info *)matchinfo)->master; bool ret = q->flags & XT_QUOTA_INVERT; spin_lock_bh("a_lock); @@ -43,7 +44,7 @@ checkentry(const char *tablename, const void *entry, const struct xt_match *match, void *matchinfo, unsigned int hook_mask) { - struct xt_quota_info *q = (struct xt_quota_info *)matchinfo; + struct xt_quota_info *q = matchinfo; if (q->flags & ~XT_QUOTA_MASK) return false; diff --git a/net/netfilter/xt_realm.c b/net/netfilter/xt_realm.c index ad82c132694..44b807d279a 100644 --- a/net/netfilter/xt_realm.c +++ b/net/netfilter/xt_realm.c @@ -32,7 +32,7 @@ match(const struct sk_buff *skb, bool *hotdrop) { const struct xt_realm_info *info = matchinfo; - struct dst_entry *dst = skb->dst; + const struct dst_entry *dst = skb->dst; return (info->id == (dst->tclassid & info->mask)) ^ info->invert; } diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c index 0af42892e9d..3da4978287f 100644 --- a/net/netfilter/xt_statistic.c +++ b/net/netfilter/xt_statistic.c @@ -57,7 +57,7 @@ checkentry(const char *tablename, const void *entry, const struct xt_match *match, void *matchinfo, unsigned int hook_mask) { - struct xt_statistic_info *info = (struct xt_statistic_info *)matchinfo; + struct xt_statistic_info *info = matchinfo; if (info->mode > XT_STATISTIC_MODE_MAX || info->flags & ~XT_STATISTIC_MASK) |