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| author | Michael Bestas <mkbestas@lineageos.org> | 2020-11-15 21:52:06 +0200 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2020-11-15 21:52:18 +0200 |
| commit | 6107aa6dc24cc8c196bb18e5b5ec81f8f1a275a8 (patch) | |
| tree | ef508ed8340c5d6b615c713d1569d851964091f2 /include/net/ip.h | |
| parent | 298504ed68065a61d0fc1d7969af19ecf2136ac9 (diff) | |
| parent | 34b1d1174c2c7054c01cfa39d274421d80649386 (diff) | |
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.2.r1-07400-sdm660.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
34b1d1174c2c7 UPSTREAM: arm64: kaslr: Fix up the kernel image alignment
Conflicts:
scripts/setlocalversion
Change-Id: Id2981587a6e92eb10cfdc9b6d13cd4bd2abb5670
Diffstat (limited to 'include/net/ip.h')
| -rw-r--r-- | include/net/ip.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index 0a611067daf2..c0429f813013 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -320,12 +320,18 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst, bool forwarding) { struct net *net = dev_net(dst->dev); + unsigned int mtu; if (net->ipv4.sysctl_ip_fwd_use_pmtu || ip_mtu_locked(dst) || !forwarding) return dst_mtu(dst); + /* 'forwarding = true' case should always honour route mtu */ + mtu = dst_metric_raw(dst, RTAX_MTU); + if (mtu) + return mtu; + return min(READ_ONCE(dst->dev->mtu), IP_MAX_MTU); } |