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netfilter: nf_ct_expect: Change __nf_ct_expect_check() return value. 

Commit 4dee62b1b9 ("netfilter: nf_ct_expect: nf_ct_expect_insert()
returns void") inadvertently changed the successful return value of
nf_ct_expect_related_report() from 0 to 1 due to
__nf_ct_expect_check() returning 1 on success.  Prevent this
regression in the future by changing the return value of
__nf_ct_expect_check() to 0 on success.

Signed-off-by: Jarno Rajahalme <jarno@ovn.org>
Acked-by: Joe Stringer <joe@ovn.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Jarno Rajahalme 2017-02-23 17:08:54 -08:00 committed by Pablo Neira Ayuso
parent 7fb668ac7b
commit 4b86c459c7
1 changed files with 2 additions and 2 deletions
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4
net/netfilter/nf_conntrack_expect.c
View File

@ -410,7 +410,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
struct net *net = nf_ct_exp_net(expect);
struct hlist_node *next;
unsigned int h;
int ret = 1;
int ret = 0;
if (!master_help) {
ret = -ESHUTDOWN;
@ -460,7 +460,7 @@ int nf_ct_expect_related_report(struct nf_conntrack_expect *expect,
spin_lock_bh(&nf_conntrack_expect_lock);
ret = __nf_ct_expect_check(expect);
if (ret <= 0)
if (ret < 0)
goto out;
nf_ct_expect_insert(expect);