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authorDavid S. Miller <davem@davemloft.net>2009-02-03 00:15:35 -0800
committerDavid S. Miller <davem@davemloft.net>2009-02-03 00:15:35 -0800
commitb3ff29d2ccfe3af065a9b393699a8fbf2abd1b15 (patch)
tree99e5b423473097756353d038f922b2623f3edd2a /drivers/firewire/fw-topology.c
parent1bded710a574f20d41bc9e7fb531301db282d623 (diff)
parentfb53fde9762432d091dac209bdf4f3f850117c55 (diff)
downloadlinux-b3ff29d2ccfe3af065a9b393699a8fbf2abd1b15.tar.gz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/Kconfig
Diffstat (limited to 'drivers/firewire/fw-topology.c')
-rw-r--r--drivers/firewire/fw-topology.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c
index c9be6e6948c4..8dd6703b55cd 100644
--- a/drivers/firewire/fw-topology.c
+++ b/drivers/firewire/fw-topology.c
@@ -518,6 +518,18 @@ fw_core_handle_bus_reset(struct fw_card *card,
struct fw_node *local_node;
unsigned long flags;
+ /*
+ * If the selfID buffer is not the immediate successor of the
+ * previously processed one, we cannot reliably compare the
+ * old and new topologies.
+ */
+ if (!is_next_generation(generation, card->generation) &&
+ card->local_node != NULL) {
+ fw_notify("skipped bus generations, destroying all nodes\n");
+ fw_destroy_nodes(card);
+ card->bm_retries = 0;
+ }
+
spin_lock_irqsave(&card->lock, flags);
card->node_id = node_id;