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netfilter: xtables: use ipt_get_target_c instead of ipt_get_target 

ipt_get_target is used to get struct xt_entry_target
and ipt_get_target_c is used to get const struct xt_entry_target.
However in the ipt_do_table, ipt_get_target is used to get
const struct xt_entry_target. it should be replaced by ipt_get_target_c.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Taehee Yoo 2018-04-13 23:10:20 +09:00 committed by Pablo Neira Ayuso
parent a1d768f1a0
commit dc3c09d327
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/netfilter/ip_tables.c
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@ -300,7 +300,7 @@ ipt_do_table(struct sk_buff *skb,
counter = xt_get_this_cpu_counter(&e->counters); counter = xt_get_this_cpu_counter(&e->counters);
ADD_COUNTER(*counter, skb->len, 1); ADD_COUNTER(*counter, skb->len, 1);
t = ipt_get_target(e); t = ipt_get_target_c(e);
WARN_ON(!t->u.kernel.target); WARN_ON(!t->u.kernel.target);
#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) #if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE)