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[2/6] vti4: Don't count header length twice.

Message ID 1400137676-27565-3-git-send-email-steffen.klassert@secunet.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Steffen Klassert May 15, 2014, 7:07 a.m. UTC 
We currently count the size of LL_MAX_HEADER and struct iphdr
twice for vti4 devices, this leads to a wrong device mtu.
The size of LL_MAX_HEADER and struct iphdr is already counted in
ip_tunnel_bind_dev(), so don't do it again in vti_tunnel_init().

Fixes: b9959fd3 ("vti: switch to new ip tunnel code")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
 net/ipv4/ip_vti.c |    1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 687ddef..cd62596 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -349,7 +349,6 @@  static int vti_tunnel_init(struct net_device *dev)
 	memcpy(dev->broadcast, &iph->daddr, 4);
 
 	dev->type		= ARPHRD_TUNNEL;
-	dev->hard_header_len	= LL_MAX_HEADER + sizeof(struct iphdr);
 	dev->mtu		= ETH_DATA_LEN;
 	dev->flags		= IFF_NOARP;
 	dev->iflink		= 0;