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firewire: cdev: fix fw_cdev_event_bus_reset emission after local config ROM changes

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When a descriptor was added or removed to the local node's config ROM,
userspace clients which had a local node's /dev/fw* open did not receive
any fw_cdev_event_bus_reset for poll()/read() consumption.

The cause was that the core-device.c facility which re-reads the config
ROM of the bus reset initiator node missed to call the fw_device update
function.  The fw_units are destroyed and newly added, but their parent
stays and needs to be updated.

Reported-by: Jay Fenlason <fenlason@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2010-07-07 15:36:07 +02:00
parent eb5b35a560
commit 8b4f70ba49
1 changed files with 1 additions and 0 deletions
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1
drivers/firewire/core-device.c
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@ -1136,6 +1136,7 @@ static void fw_device_refresh(struct work_struct *work)
goto give_up;
}
fw_device_cdev_update(device);
create_units(device);
/* Userspace may want to re-read attributes. */