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| author | Jakub Kicinski <kuba@kernel.org> | 2022-10-28 00:37:56 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-10-28 01:56:36 +0200 |
| commit | 31f1aa4f740fc591450777f4ff94d6e062b6f632 (patch) | |
| tree | b6bfe700d8338b3c88f4d8413b624d0d5fd78e4a /net/ipv6/ip6_gre.c | |
| parent | skbuff: Proactively round up to kmalloc bucket size (diff) | |
| parent | Merge tag 'net-6.1-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ne... (diff) | |
| download | linux-31f1aa4f740fc591450777f4ff94d6e062b6f632.tar.xz linux-31f1aa4f740fc591450777f4ff94d6e062b6f632.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c
2871edb32f46 ("can: kvaser_usb: Fix possible completions during init_completion")
abb8670938b2 ("can: kvaser_usb_leaf: Ignore stale bus-off after start")
8d21f5927ae6 ("can: kvaser_usb_leaf: Fix improved state not being reported")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6/ip6_gre.c')
| -rw-r--r-- | net/ipv6/ip6_gre.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 02b1b54165e8..7673e1dd1147 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1155,14 +1155,16 @@ static void ip6gre_tnl_link_config_route(struct ip6_tnl *t, int set_mtu, dev->needed_headroom = dst_len; if (set_mtu) { - dev->mtu = rt->dst.dev->mtu - t_hlen; + int mtu = rt->dst.dev->mtu - t_hlen; + if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT)) - dev->mtu -= 8; + mtu -= 8; if (dev->type == ARPHRD_ETHER) - dev->mtu -= ETH_HLEN; + mtu -= ETH_HLEN; - if (dev->mtu < IPV6_MIN_MTU) - dev->mtu = IPV6_MIN_MTU; + if (mtu < IPV6_MIN_MTU) + mtu = IPV6_MIN_MTU; + WRITE_ONCE(dev->mtu, mtu); } } ip6_rt_put(rt); |