diff options
Diffstat (limited to 'drivers/firewire/core-device.c')
| -rw-r--r-- | drivers/firewire/core-device.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index d695ec2f1efe..bec7e05f6ab8 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -886,16 +886,14 @@ static void fw_device_release(struct device *dev) { struct fw_device *device = fw_device(dev); struct fw_card *card = device->card; - unsigned long flags; /* * Take the card lock so we don't set this to NULL while a * FW_NODE_UPDATED callback is being handled or while the * bus manager work looks at this node. */ - spin_lock_irqsave(&card->lock, flags); - device->node->data = NULL; - spin_unlock_irqrestore(&card->lock, flags); + scoped_guard(spinlock_irqsave, &card->lock) + device->node->data = NULL; fw_node_put(device->node); kfree(device->config_rom); @@ -952,7 +950,7 @@ static int lookup_existing_device(struct device *dev, void *data) return 0; guard(rwsem_read)(&fw_device_rwsem); // serialize config_rom access - spin_lock_irq(&card->lock); /* serialize node access */ + guard(spinlock_irq)(&card->lock); // serialize node access if (memcmp(old->config_rom, new->config_rom, 6 * 4) == 0 && atomic_cmpxchg(&old->state, @@ -982,8 +980,6 @@ static int lookup_existing_device(struct device *dev, void *data) match = 1; } - spin_unlock_irq(&card->lock); - return match; } |