From: Patrick McHardy Date: Fri, 26 Jan 2007 09:07:59 +0000 (-0800) Subject: [NETFILTER]: nf_conntrack_pptp: fix NAT setup of expected GRE connections X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7399072a7348d025e7bcb5eb5d5e9be941d490b7;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [NETFILTER]: nf_conntrack_pptp: fix NAT setup of expected GRE connections When an expected connection arrives, the NAT helper should be called to set up NAT similar to the master connection. The PPTP conntrack helper incorrectly checks whether the _expected_ connection has NAT setup before calling the NAT helper (which is never the case), instead of checkeing whether the _master_ connection is NATed. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c index f0ff00e0d052..c59df3bc2bbd 100644 --- a/net/netfilter/nf_conntrack_pptp.c +++ b/net/netfilter/nf_conntrack_pptp.c @@ -113,7 +113,7 @@ static void pptp_expectfn(struct nf_conn *ct, rcu_read_lock(); nf_nat_pptp_expectfn = rcu_dereference(nf_nat_pptp_hook_expectfn); - if (nf_nat_pptp_expectfn && ct->status & IPS_NAT_MASK) + if (nf_nat_pptp_expectfn && ct->master->status & IPS_NAT_MASK) nf_nat_pptp_expectfn(ct, exp); else { struct nf_conntrack_tuple inv_t;