Re: [PATCH] [ROSE] AX25 packet routing improvement

[Bernard Pidoux <bernard.pidoux@upmc.fr>]

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Hi,

Here is a second try for this patch that completes the previous one.

[PATCH] [ROSE] [AX25] finding routes simplification

With previous patch, rose_get_neigh() routine
investigates the full list of neighbor nodes
until it finds or not an already connected node whether
it is called locally or through a level 3 transit frame.
If no routes are opened through an adjacent connected node
then a classical connect request is attempted.

Then there is no more reason for an extra loop such
as the one removed by this patch.

Signed-off-by: Bernard Pidoux <f6bvp@free.fr>

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--- a/net/rose/af_rose.c	2010-12-09 23:17:27.000000000 +0100
+++ b/net/rose/af_rose.c	2010-12-19 15:06:44.399455216 +0100
@@ -803,7 +803,6 @@
 
 		rose_insert_socket(sk);		/* Finish the bind */
 	}
-rose_try_next_neigh:
 	rose->dest_addr   = addr->srose_addr;
 	rose->dest_call   = addr->srose_call;
 	rose->rand        = ((long)rose & 0xFFFF) + rose->lci;
@@ -865,12 +864,6 @@
 	}
 
 	if (sk->sk_state != TCP_ESTABLISHED) {
-	/* Try next neighbour */
-		rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause, &diagnostic, 0);
-		if (rose->neighbour)
-			goto rose_try_next_neigh;
-
-		/* No more neighbours */
 		sock->state = SS_UNCONNECTED;
 		err = sock_error(sk);	/* Always set at this point */
 		goto out_release;