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| author | Jan Engelhardt <jengelh@medozas.de> | 2009-08-24 14:56:30 +0200 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2009-08-24 14:56:30 +0200 |
| commit | 35aad0ffdf548617940ca1e78be1f2e0bafc4496 (patch) | |
| tree | 1cab1705197cd247a5b5809e768e89f630c8460e /net/bridge/netfilter | |
| parent | dc05a564ab1b3a1957927da50912964b61f7da69 (diff) | |
| download | lwn-35aad0ffdf548617940ca1e78be1f2e0bafc4496.tar.gz lwn-35aad0ffdf548617940ca1e78be1f2e0bafc4496.zip | |
netfilter: xtables: mark initial tables constant
The inputted table is never modified, so should be considered const.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/bridge/netfilter')
| -rw-r--r-- | net/bridge/netfilter/ebtable_broute.c | 2 | ||||
| -rw-r--r-- | net/bridge/netfilter/ebtable_filter.c | 2 | ||||
| -rw-r--r-- | net/bridge/netfilter/ebtables.c | 13 |
3 files changed, 9 insertions, 8 deletions
diff --git a/net/bridge/netfilter/ebtable_broute.c b/net/bridge/netfilter/ebtable_broute.c index c751111440f8..d32ab13e728c 100644 --- a/net/bridge/netfilter/ebtable_broute.c +++ b/net/bridge/netfilter/ebtable_broute.c @@ -41,7 +41,7 @@ static int check(const struct ebt_table_info *info, unsigned int valid_hooks) return 0; } -static struct ebt_table broute_table = +static const struct ebt_table broute_table = { .name = "broute", .table = &initial_table, diff --git a/net/bridge/netfilter/ebtable_filter.c b/net/bridge/netfilter/ebtable_filter.c index 4b988db3cd4d..60b1a6ca7185 100644 --- a/net/bridge/netfilter/ebtable_filter.c +++ b/net/bridge/netfilter/ebtable_filter.c @@ -50,7 +50,7 @@ static int check(const struct ebt_table_info *info, unsigned int valid_hooks) return 0; } -static struct ebt_table frame_filter = +static const struct ebt_table frame_filter = { .name = "filter", .table = &initial_table, diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 37928d5f2840..bd1c65425d4f 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1103,23 +1103,24 @@ free_newinfo: return ret; } -struct ebt_table *ebt_register_table(struct net *net, struct ebt_table *table) +struct ebt_table * +ebt_register_table(struct net *net, const struct ebt_table *input_table) { struct ebt_table_info *newinfo; - struct ebt_table *t; + struct ebt_table *t, *table; struct ebt_replace_kernel *repl; int ret, i, countersize; void *p; - if (!table || !(repl = table->table) || !repl->entries || - repl->entries_size == 0 || - repl->counters || table->private) { + if (input_table == NULL || (repl = input_table->table) == NULL || + repl->entries == 0 || repl->entries_size == 0 || + repl->counters != NULL || input_table->private != NULL) { BUGPRINT("Bad table data for ebt_register_table!!!\n"); return ERR_PTR(-EINVAL); } /* Don't add one table to multiple lists. */ - table = kmemdup(table, sizeof(struct ebt_table), GFP_KERNEL); + table = kmemdup(input_table, sizeof(struct ebt_table), GFP_KERNEL); if (!table) { ret = -ENOMEM; goto out; |