[NETFILTER]: annotate {arp,ip,ip6,x}tables with const

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 15 insertions, 14 deletions

diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 70ef0d276cc0..782183f63366 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -325,7 +325,7 @@ static void trace_packet(struct sk_buff *skb,
                          struct ip6t_entry *e)
 {
         void *table_base;
-        struct ip6t_entry *root;
+        const struct ip6t_entry *root;
         char *hookname, *chainname, *comment;
         unsigned int rulenum = 0;
 
@@ -952,7 +952,7 @@ static struct xt_counters *alloc_counters(struct xt_table *table)
 {
         unsigned int countersize;
         struct xt_counters *counters;
-        struct xt_table_info *private = table->private;
+        const struct xt_table_info *private = table->private;
 
         /* We need atomic snapshot of counters: rest doesn't change
            (other than comefrom, which userspace doesn't care
@@ -979,9 +979,9 @@ copy_entries_to_user(unsigned int total_size,
         unsigned int off, num;
         struct ip6t_entry *e;
         struct xt_counters *counters;
-        struct xt_table_info *private = table->private;
+        const struct xt_table_info *private = table->private;
         int ret = 0;
-        void *loc_cpu_entry;
+        const void *loc_cpu_entry;
 
         counters = alloc_counters(table);
         if (IS_ERR(counters))
@@ -1001,8 +1001,8 @@ copy_entries_to_user(unsigned int total_size,
         /* ... then go back and fix counters and names */
         for (off = 0, num = 0; off < total_size; off += e->next_offset, num++){
                 unsigned int i;
-                struct ip6t_entry_match *m;
-                struct ip6t_entry_target *t;
+                const struct ip6t_entry_match *m;
+                const struct ip6t_entry_target *t;
 
                 e = (struct ip6t_entry *)(loc_cpu_entry + off);
                 if (copy_to_user(userptr + off
@@ -1142,7 +1142,7 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
                                     "ip6table_%s", name);
         if (t && !IS_ERR(t)) {
                 struct ip6t_getinfo info;
-                struct xt_table_info *private = t->private;
+                const struct xt_table_info *private = t->private;
 
 #ifdef CONFIG_COMPAT
                 if (compat) {
@@ -1225,7 +1225,7 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks,
         struct xt_table *t;
         struct xt_table_info *oldinfo;
         struct xt_counters *counters;
-        void *loc_cpu_old_entry;
+        const void *loc_cpu_old_entry;
 
         ret = 0;
         counters = vmalloc_node(num_counters * sizeof(struct xt_counters),
@@ -1369,9 +1369,9 @@ do_add_counters(struct net *net, void __user *user, unsigned int len,
         int size;
         void *ptmp;
         struct xt_table *t;
-        struct xt_table_info *private;
+        const struct xt_table_info *private;
         int ret = 0;
-        void *loc_cpu_entry;
+        const void *loc_cpu_entry;
 #ifdef CONFIG_COMPAT
         struct compat_xt_counters_info compat_tmp;
 
@@ -1905,11 +1905,11 @@ compat_copy_entries_to_user(unsigned int total_size, struct xt_table *table,
                             void __user *userptr)
 {
         struct xt_counters *counters;
-        struct xt_table_info *private = table->private;
+        const struct xt_table_info *private = table->private;
         void __user *pos;
         unsigned int size;
         int ret = 0;
-        void *loc_cpu_entry;
+        const void *loc_cpu_entry;
         unsigned int i = 0;
 
         counters = alloc_counters(table);
@@ -1956,7 +1956,7 @@ compat_get_entries(struct net *net, struct compat_ip6t_get_entries __user *uptr,
         xt_compat_lock(AF_INET6);
         t = xt_find_table_lock(net, AF_INET6, get.name);
         if (t && !IS_ERR(t)) {
-                struct xt_table_info *private = t->private;
+                const struct xt_table_info *private = t->private;
                 struct xt_table_info info;
                 duprintf("t->private->number = %u\n", private->number);
                 ret = compat_table_info(private, &info);
@@ -2155,7 +2155,8 @@ icmp6_match(const struct sk_buff *skb,
            unsigned int protoff,
            bool *hotdrop)
 {
-        struct icmp6hdr _icmph, *ic;
+        const struct icmp6hdr *ic;
+        struct icmp6hdr _icmph;
         const struct ip6t_icmp *icmpinfo = matchinfo;
 
         /* Must not be a fragment. */