diff options
| -rw-r--r-- | drivers/firewire/core-cdev.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index ac6f9ad9e88e..f32f8667ef2c 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -1659,26 +1659,22 @@ static int ioctl_receive_phy_packets(struct client *client, union ioctl_arg *arg if (!client->device->is_local) return -ENOSYS; - spin_lock_irq(&card->lock); + guard(spinlock_irq)(&card->lock); list_move_tail(&client->phy_receiver_link, &card->phy_receiver_list); client->phy_receiver_closure = a->closure; - spin_unlock_irq(&card->lock); - return 0; } void fw_cdev_handle_phy_packet(struct fw_card *card, struct fw_packet *p) { struct client *client; - struct inbound_phy_packet_event *e; - unsigned long flags; - spin_lock_irqsave(&card->lock, flags); + guard(spinlock_irqsave)(&card->lock); list_for_each_entry(client, &card->phy_receiver_list, phy_receiver_link) { - e = kmalloc(sizeof(*e) + 8, GFP_ATOMIC); + struct inbound_phy_packet_event *e = kmalloc(sizeof(*e) + 8, GFP_ATOMIC); if (e == NULL) break; @@ -1706,8 +1702,6 @@ void fw_cdev_handle_phy_packet(struct fw_card *card, struct fw_packet *p) queue_event(client, &e->event, &e->phy_packet, sizeof(*pp) + 8, NULL, 0); } } - - spin_unlock_irqrestore(&card->lock, flags); } static int (* const ioctl_handlers[])(struct client *, union ioctl_arg *) = { @@ -1855,9 +1849,8 @@ static int fw_device_op_release(struct inode *inode, struct file *file) struct client *client = file->private_data; struct event *event, *next_event; - spin_lock_irq(&client->device->card->lock); - list_del(&client->phy_receiver_link); - spin_unlock_irq(&client->device->card->lock); + scoped_guard(spinlock_irq, &client->device->card->lock) + list_del(&client->phy_receiver_link); scoped_guard(mutex, &client->device->client_list_mutex) list_del(&client->link); |