tree cfc3b2dc141f643bcf6ef065cca802340b335799
parent cf5a56ac8083dd04ffe8b9b2ec7895e9bcff44bc
author Stefan Richter <stefanr@s5r6.in-berlin.de> 1201283861 +0100
committer Stefan Richter <stefanr@s5r6.in-berlin.de> 1201728147 +0100

firewire: enforce access order between generation and node ID, fix "giving up on config rom"

fw_device.node_id and fw_device.generation are accessed without mutexes.
We have to ensure that all readers will get to see node_id updates
before generation updates.

Fixes an inability to recognize devices after "giving up on config rom",
https://bugzilla.redhat.com/show_bug.cgi?id=429950

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

Reviewed by Nick Piggin <nickpiggin@yahoo.com.au>.

Verified to fix 'giving up on config rom' issues on multiple system and
drive combinations that were previously affected.

Signed-off-by: Jarod Wilson <jwilson@redhat.com>
Signed-off-by: Kristian Høgsberg <krh@redhat.com>