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netfilter: nf_tables: use the right index from flowtable error path

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Use the right loop index, not the number of devices in the array that we
need to remove, the following message uncovered the problem:

[ 5437.044119] hook not found, pf 5 num 0
[ 5437.044140] WARNING: CPU: 2 PID: 24983 at net/netfilter/core.c:376 __nf_unregister_net_hook+0x250/0x280

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso
2018-02-27 17:58:18 +01:00
parent e603ea4ba7
commit 0e0d5002f8
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nf_tables_api.c
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@@ -5136,7 +5136,7 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
i = flowtable->ops_len;
err4:
for (k = i - 1; k >= 0; k--)
nf_unregister_net_hook(net, &flowtable->ops[i]);
nf_unregister_net_hook(net, &flowtable->ops[k]);
kfree(flowtable->ops);
err3: