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ip_gre: remove redundant variables t_hlen

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After commit ffc2b6ee41 ("ip_gre: fix IFLA_MTU ignored on NEWLINK")
variable t_hlen is assigned values that are never read,
hence they are redundant and can be removed.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YueHaibing 2018-08-01 10:04:02 +08:00 committed by David S. Miller
parent 13dde04f5c
commit 1296ee8ffc
1 changed files with 0 additions and 5 deletions
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5
net/ipv4/ip_gre.c
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@ -985,7 +985,6 @@ static void ipgre_tunnel_setup(struct net_device *dev)
static void __gre_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel;
int t_hlen;
tunnel = netdev_priv(dev);
tunnel->tun_hlen = gre_calc_hlen(tunnel->parms.o_flags);
@ -993,8 +992,6 @@ static void __gre_tunnel_init(struct net_device *dev)
tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen;
t_hlen = tunnel->hlen + sizeof(struct iphdr);
dev->features |= GRE_FEATURES;
dev->hw_features |= GRE_FEATURES;
@ -1304,13 +1301,11 @@ static const struct net_device_ops gre_tap_netdev_ops = {
static int erspan_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
int t_hlen;
tunnel->tun_hlen = 8;
tunnel->parms.iph.protocol = IPPROTO_GRE;
tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen +
erspan_hdr_len(tunnel->erspan_ver);
t_hlen = tunnel->hlen + sizeof(struct iphdr);
dev->features |= GRE_FEATURES;
dev->hw_features |= GRE_FEATURES;