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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-12-13 20:16:40 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-12-13 20:16:40 -0300 |
commit | 6baeafd1f2a54ca041ff71778ebda9fac75aad12 (patch) | |
tree | 57d2d68fa5d1d91f57cd7fcf0aed0a97892cc8cc /net/tipc/udp_media.c | |
parent | 189382f7a338c02b448ab27e1d5566e052165dc8 (diff) |
Linux-libre 4.8.14-gnuHEADpck-4.8.14-gnumaster
Diffstat (limited to 'net/tipc/udp_media.c')
-rw-r--r-- | net/tipc/udp_media.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index ae7e14cae..f60f346e7 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -372,6 +372,11 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b, udp_conf.local_ip.s_addr = htonl(INADDR_ANY); udp_conf.use_udp_checksums = false; ub->ifindex = dev->ifindex; + if (tipc_mtu_bad(dev, sizeof(struct iphdr) + + sizeof(struct udphdr))) { + err = -EINVAL; + goto err; + } b->mtu = dev->mtu - sizeof(struct iphdr) - sizeof(struct udphdr); #if IS_ENABLED(CONFIG_IPV6) |