diff options
Diffstat (limited to 'net/tipc/udp_media.c')
| -rw-r--r-- | net/tipc/udp_media.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index ad2719ad4c1b..d63a911e7fe2 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -48,7 +48,6 @@ #include <linux/tipc_netlink.h> #include "core.h" #include "bearer.h" -#include "msg.h" /* IANA assigned UDP port */ #define UDP_PORT_DEFAULT 6118 @@ -158,8 +157,11 @@ static int tipc_udp_send_msg(struct net *net, struct sk_buff *skb, struct udp_media_addr *src = (struct udp_media_addr *)&b->addr.value; struct rtable *rt; - if (skb_headroom(skb) < UDP_MIN_HEADROOM) - pskb_expand_head(skb, UDP_MIN_HEADROOM, 0, GFP_ATOMIC); + if (skb_headroom(skb) < UDP_MIN_HEADROOM) { + err = pskb_expand_head(skb, UDP_MIN_HEADROOM, 0, GFP_ATOMIC); + if (err) + goto tx_error; + } skb_set_inner_protocol(skb, htons(ETH_P_TIPC)); ub = rcu_dereference_rtnl(b->media_ptr); @@ -180,15 +182,9 @@ static int tipc_udp_send_msg(struct net *net, struct sk_buff *skb, goto tx_error; } ttl = ip4_dst_hoplimit(&rt->dst); - err = udp_tunnel_xmit_skb(rt, ub->ubsock->sk, skb, - src->ipv4.s_addr, - dst->ipv4.s_addr, 0, ttl, 0, - src->udp_port, dst->udp_port, - false, true); - if (err < 0) { - ip_rt_put(rt); - goto tx_error; - } + udp_tunnel_xmit_skb(rt, ub->ubsock->sk, skb, src->ipv4.s_addr, + dst->ipv4.s_addr, 0, ttl, 0, src->udp_port, + dst->udp_port, false, true); #if IS_ENABLED(CONFIG_IPV6) } else { struct dst_entry *ndst; @@ -221,10 +217,6 @@ static int tipc_udp_recv(struct sock *sk, struct sk_buff *skb) { struct udp_bearer *ub; struct tipc_bearer *b; - int usr = msg_user(buf_msg(skb)); - - if ((usr == LINK_PROTOCOL) || (usr == NAME_DISTRIBUTOR)) - skb_linearize(skb); ub = rcu_dereference_sk_user_data(sk); if (!ub) { |