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firewire: use atomic type for fw_device.state

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Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter
2007-01-27 10:34:55 +01:00
parent 0edeefd99f
commit 641f8791f0
3 changed files with 6 additions and 5 deletions
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6
drivers/firewire/fw-device.c
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@ -494,7 +494,7 @@ static void fw_device_init(struct work_struct *work)
* necessary. We have to use the atomic cmpxchg here to avoid
* racing with the FW_NODE_DESTROYED case in
* fw_node_event(). */
if (cmpxchg(&device->state,
if (atomic_cmpxchg(&device->state,
FW_DEVICE_INITIALIZING,
FW_DEVICE_RUNNING) == FW_DEVICE_SHUTDOWN)
fw_device_shutdown(&device->work.work);
@ -551,7 +551,7 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event)
* device_for_each_child() in FW_NODE_UPDATED is
* doesn't freak out. */
device_initialize(&device->device);
device->state = FW_DEVICE_INITIALIZING;
atomic_set(&device->state, FW_DEVICE_INITIALIZING);
device->card = fw_card_get(card);
device->node = fw_node_get(node);
device->node_id = node->node_id;
@ -596,7 +596,7 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event)
* the device in shutdown state to have that code fail
* to create the device. */
device = node->data;
if (xchg(&device->state,
if (atomic_xchg(&device->state,
FW_DEVICE_SHUTDOWN) == FW_DEVICE_RUNNING) {
INIT_DELAYED_WORK(&device->work, fw_device_shutdown);
schedule_delayed_work(&device->work, 0);