diff options
Diffstat (limited to 'net/ipv6/ip6_gre.c')
| -rw-r--r-- | net/ipv6/ip6_gre.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 04c69e0c84b3..b511818b268c 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1314,6 +1314,7 @@ static void ip6gre_dev_free(struct net_device *dev) { struct ip6_tnl *t = netdev_priv(dev); + gro_cells_destroy(&t->gro_cells); dst_cache_destroy(&t->dst_cache); free_percpu(dev->tstats); } @@ -1381,11 +1382,12 @@ static int ip6gre_tunnel_init_common(struct net_device *dev) return -ENOMEM; ret = dst_cache_init(&tunnel->dst_cache, GFP_KERNEL); - if (ret) { - free_percpu(dev->tstats); - dev->tstats = NULL; - return ret; - } + if (ret) + goto cleanup_alloc_pcpu_stats; + + ret = gro_cells_init(&tunnel->gro_cells, dev); + if (ret) + goto cleanup_dst_cache_init; tunnel->tun_hlen = gre_calc_hlen(tunnel->parms.o_flags); tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen; @@ -1405,6 +1407,13 @@ static int ip6gre_tunnel_init_common(struct net_device *dev) ip6gre_tnl_init_features(dev); return 0; + +cleanup_dst_cache_init: + dst_cache_destroy(&tunnel->dst_cache); +cleanup_alloc_pcpu_stats: + free_percpu(dev->tstats); + dev->tstats = NULL; + return ret; } static int ip6gre_tunnel_init(struct net_device *dev) @@ -1751,11 +1760,12 @@ static int ip6erspan_tap_init(struct net_device *dev) return -ENOMEM; ret = dst_cache_init(&tunnel->dst_cache, GFP_KERNEL); - if (ret) { - free_percpu(dev->tstats); - dev->tstats = NULL; - return ret; - } + if (ret) + goto cleanup_alloc_pcpu_stats; + + ret = gro_cells_init(&tunnel->gro_cells, dev); + if (ret) + goto cleanup_dst_cache_init; tunnel->tun_hlen = 8; tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen + @@ -1773,6 +1783,13 @@ static int ip6erspan_tap_init(struct net_device *dev) ip6gre_tnl_link_config(tunnel, 1); return 0; + +cleanup_dst_cache_init: + dst_cache_destroy(&tunnel->dst_cache); +cleanup_alloc_pcpu_stats: + free_percpu(dev->tstats); + dev->tstats = NULL; + return ret; } static const struct net_device_ops ip6erspan_netdev_ops = { |