diff options
Diffstat (limited to 'net/openvswitch/vport-gre.c')
| -rw-r--r-- | net/openvswitch/vport-gre.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c index 6b69df5..d4168c4 100644 --- a/net/openvswitch/vport-gre.c +++ b/net/openvswitch/vport-gre.c @@ -73,7 +73,7 @@ static struct sk_buff *__build_header(struct sk_buff *skb, skb = gre_handle_offloads(skb, !!(tun_key->tun_flags & TUNNEL_CSUM)); if (IS_ERR(skb)) - return NULL; + return skb; tpi.flags = filter_tnl_flags(tun_key->tun_flags); tpi.proto = htons(ETH_P_TEB); @@ -144,7 +144,7 @@ static int gre_tnl_send(struct vport *vport, struct sk_buff *skb) if (unlikely(!OVS_CB(skb)->egress_tun_info)) { err = -EINVAL; - goto error; + goto err_free_skb; } tun_key = &OVS_CB(skb)->egress_tun_info->tunnel; @@ -157,8 +157,10 @@ static int gre_tnl_send(struct vport *vport, struct sk_buff *skb) fl.flowi4_proto = IPPROTO_GRE; rt = ip_route_output_key(net, &fl); - if (IS_ERR(rt)) - return PTR_ERR(rt); + if (IS_ERR(rt)) { + err = PTR_ERR(rt); + goto err_free_skb; + } tunnel_hlen = ip_gre_calc_hlen(tun_key->tun_flags); @@ -183,8 +185,9 @@ static int gre_tnl_send(struct vport *vport, struct sk_buff *skb) /* Push Tunnel header. */ skb = __build_header(skb, tunnel_hlen); - if (unlikely(!skb)) { - err = 0; + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + skb = NULL; goto err_free_rt; } @@ -198,7 +201,8 @@ static int gre_tnl_send(struct vport *vport, struct sk_buff *skb) tun_key->ipv4_tos, tun_key->ipv4_ttl, df, false); err_free_rt: ip_rt_put(rt); -error: +err_free_skb: + kfree_skb(skb); return err; } |