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ipv4: mask tos for input route

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[ Upstream commit 6e28099d38 ]

Restore the lost masking of TOS in input route code to
allow ip rules to match it properly.

Problem [1] noticed by Shmulik Ladkani <shmulik.ladkani@gmail.com>

[1] http://marc.info/?t=137331755300040&r=1&w=2

Fixes: 89aef8921b ("ipv4: Delete routing cache.")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Julian Anastasov
2017-02-26 17:14:35 +02:00
committed by Greg Kroah-Hartman
parent f1b3aae1f1
commit 354f79125f
1 changed files with 1 additions and 0 deletions
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net/ipv4/route.c
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@@ -1958,6 +1958,7 @@ int ip_route_input_noref(struct sk_buff *skb, __be32 daddr, __be32 saddr,
{ {
int res; int res;
tos &= IPTOS_RT_MASK;
rcu_read_lock(); rcu_read_lock();
/* Multicast recognition logic is moved from route cache to here. /* Multicast recognition logic is moved from route cache to here.