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| author |   David Ahern <dsahern@gmail.com> | 2018-09-20 13:50:48 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-09-20 20:01:52 -0700 |
| commit | 91a178258aea08a42d67c04a303e1783c38217e6 (patch) | |
| tree | e1dfa130245becd17d43ed70e07271f5a2cebc38 /net/ipv4/netfilter/ipt_rpfilter.c | |
| parent | net/ipv4: Move device validation to helper (diff) | |
| download | linux-dev-91a178258aea08a42d67c04a303e1783c38217e6.tar.xz linux-dev-91a178258aea08a42d67c04a303e1783c38217e6.zip | |
netfilter: rpfilter: Convert rpfilter_lookup_reverse to new dev helper
Convert rpfilter_lookup_reverse to the new device checking helper
and remove the duplicate code.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/netfilter/ipt_rpfilter.c')
| -rw-r--r-- | net/ipv4/netfilter/ipt_rpfilter.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c index 12843c9ef142..0b10d8812828 100644 --- a/net/ipv4/netfilter/ipt_rpfilter.c +++ b/net/ipv4/netfilter/ipt_rpfilter.c @@ -36,7 +36,6 @@ static bool rpfilter_lookup_reverse(struct net *net, struct flowi4 *fl4, const struct net_device *dev, u8 flags) { struct fib_result res; - bool dev_match; int ret __maybe_unused; if (fib_lookup(net, fl4, &res, FIB_LOOKUP_IGNORE_LINKSTATE)) @@ -46,21 +45,7 @@ static bool rpfilter_lookup_reverse(struct net *net, struct flowi4 *fl4, if (res.type != RTN_LOCAL || !(flags & XT_RPFILTER_ACCEPT_LOCAL)) return false; } - dev_match = false; -#ifdef CONFIG_IP_ROUTE_MULTIPATH - for (ret = 0; ret < res.fi->fib_nhs; ret++) { - struct fib_nh *nh = &res.fi->fib_nh[ret]; - - if (nh->nh_dev == dev) { - dev_match = true; - break; - } - } -#else - if (FIB_RES_DEV(res) == dev) - dev_match = true; -#endif - return dev_match || flags & XT_RPFILTER_LOOSE; + return fib_info_nh_uses_dev(res.fi, dev) || flags & XT_RPFILTER_LOOSE; } static bool |