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tipc: more cleanup of tunnelling reception function

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We simplify and slim down the code in function tipc_tunnel_rcv()
No impact on the users of this function.

Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jon Paul Maloy 2014-02-13 17:29:13 -05:00 committed by David S. Miller
parent 3bb533800c
commit 1e9d47a948
1 changed files with 7 additions and 14 deletions
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21
net/tipc/link.c
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@ -2180,9 +2180,10 @@ static int tipc_link_tunnel_rcv(struct tipc_node *n_ptr,
struct sk_buff *tunnel_buf = *buf;
struct tipc_link *dest_link;
struct tipc_msg *tunnel_msg = buf_msg(tunnel_buf);
u32 msg_typ = msg_type(tunnel_msg);
u32 bearer_id = msg_bearer_id(tunnel_msg);
*buf = NULL;
if (bearer_id >= MAX_BEARERS)
goto exit;
@ -2190,24 +2191,16 @@ static int tipc_link_tunnel_rcv(struct tipc_node *n_ptr,
if (!dest_link)
goto exit;
if (msg_typ == DUPLICATE_MSG) {
if (msg_type(tunnel_msg) == DUPLICATE_MSG)
tipc_link_dup_rcv(dest_link, tunnel_buf);
goto exit;
}
if (msg_type(tunnel_msg) == ORIGINAL_MSG) {
else if (msg_type(tunnel_msg) == ORIGINAL_MSG)
*buf = tipc_link_failover_rcv(dest_link, tunnel_buf);
else
pr_warn("%sunknown tunnel pkt received\n", link_co_err);
/* Do we have a buffer/buffer chain to return? */
if (*buf != NULL) {
kfree_skb(tunnel_buf);
return 1;
}
}
exit:
*buf = NULL;
kfree_skb(tunnel_buf);
return 0;
return *buf != NULL;
}
/*