From 710ab6c03122cf464510f8c86eb0a179e80b2d61 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Tue, 10 Jul 2012 07:02:09 -0700 Subject: ipv4: Enforce max MTU metric at route insertion time. Rather than at every struct rtable creation. Signed-off-by: David S. Miller --- net/ipv4/fib_semantics.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'net/ipv4/fib_semantics.c') diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index ae301c897a1..d71bfbdc0bf 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -794,6 +794,8 @@ struct fib_info *fib_create_info(struct fib_config *cfg) val = nla_get_u32(nla); if (type == RTAX_ADVMSS && val > 65535 - 40) val = 65535 - 40; + if (type == RTAX_MTU && val > 65535 - 15) + val = 65535 - 15; fi->fib_metrics[type - 1] = val; } } -- cgit v1.2.3-70-g09d2