diff options
| author | Florian Westphal <fw@strlen.de> | 2018-02-27 19:42:34 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-26 11:02:21 +0200 |
| commit | 8d92d53365395c97cf819a10cda4693f792cd5b6 (patch) | |
| tree | 860252383a6b62352f80e10d828a67fe4c64cbf7 /net/ipv6 | |
| parent | 82b68ecde5d056588799f0d38e675bbb81fe3b46 (diff) | |
netfilter: compat: prepare xt_compat_init_offsets to return errors
commit 9782a11efc072faaf91d4aa60e9d23553f918029 upstream.
should have no impact, function still always returns 0.
This patch is only to ease review.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/netfilter/ip6_tables.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index fad6b384836d..c5fe42e6b7f7 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -949,7 +949,9 @@ static int compat_table_info(const struct xt_table_info *info, memcpy(newinfo, info, offsetof(struct xt_table_info, entries)); newinfo->initial_entries = 0; loc_cpu_entry = info->entries; - xt_compat_init_offsets(AF_INET6, info->number); + ret = xt_compat_init_offsets(AF_INET6, info->number); + if (ret) + return ret; xt_entry_foreach(iter, loc_cpu_entry, info->size) { ret = compat_calc_entry(iter, info, loc_cpu_entry, newinfo); if (ret != 0) @@ -1415,7 +1417,7 @@ translate_compat_table(struct net *net, struct compat_ip6t_entry *iter0; struct ip6t_replace repl; unsigned int size; - int ret = 0; + int ret; info = *pinfo; entry0 = *pentry0; @@ -1424,7 +1426,9 @@ translate_compat_table(struct net *net, j = 0; xt_compat_lock(AF_INET6); - xt_compat_init_offsets(AF_INET6, compatr->num_entries); + ret = xt_compat_init_offsets(AF_INET6, compatr->num_entries); + if (ret) + goto out_unlock; /* Walk through entries, checking offsets. */ xt_entry_foreach(iter0, entry0, compatr->size) { ret = check_compat_entry_size_and_hooks(iter0, info, &size, |