diff options
Diffstat (limited to 'drivers/tty/hvc/hvcs.c')
| -rw-r--r-- | drivers/tty/hvc/hvcs.c | 35 |
1 files changed, 13 insertions, 22 deletions
diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c index b9040bec36bd..3436436fe2d7 100644 --- a/drivers/tty/hvc/hvcs.c +++ b/drivers/tty/hvc/hvcs.c @@ -879,10 +879,7 @@ static struct vio_driver hvcs_vio_driver = { .id_table = hvcs_driver_table, .probe = hvcs_probe, .remove = __devexit_p(hvcs_remove), - .driver = { - .name = hvcs_driver_name, - .owner = THIS_MODULE, - } + .name = hvcs_driver_name, }; /* Only called from hvcs_get_pi please */ @@ -1090,27 +1087,23 @@ static int hvcs_enable_device(struct hvcs_struct *hvcsd, uint32_t unit_address, */ static struct hvcs_struct *hvcs_get_by_index(int index) { - struct hvcs_struct *hvcsd = NULL; + struct hvcs_struct *hvcsd; unsigned long flags; spin_lock(&hvcs_structs_lock); - /* We can immediately discard OOB requests */ - if (index >= 0 && index < HVCS_MAX_SERVER_ADAPTERS) { - list_for_each_entry(hvcsd, &hvcs_structs, next) { - spin_lock_irqsave(&hvcsd->lock, flags); - if (hvcsd->index == index) { - kref_get(&hvcsd->kref); - spin_unlock_irqrestore(&hvcsd->lock, flags); - spin_unlock(&hvcs_structs_lock); - return hvcsd; - } + list_for_each_entry(hvcsd, &hvcs_structs, next) { + spin_lock_irqsave(&hvcsd->lock, flags); + if (hvcsd->index == index) { + kref_get(&hvcsd->kref); spin_unlock_irqrestore(&hvcsd->lock, flags); + spin_unlock(&hvcs_structs_lock); + return hvcsd; } - hvcsd = NULL; + spin_unlock_irqrestore(&hvcsd->lock, flags); } - spin_unlock(&hvcs_structs_lock); - return hvcsd; + + return NULL; } /* @@ -1203,7 +1196,7 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp) { struct hvcs_struct *hvcsd; unsigned long flags; - int irq = NO_IRQ; + int irq; /* * Is someone trying to close the file associated with this device after @@ -1264,7 +1257,7 @@ static void hvcs_hangup(struct tty_struct * tty) struct hvcs_struct *hvcsd = tty->driver_data; unsigned long flags; int temp_open_count; - int irq = NO_IRQ; + int irq; spin_lock_irqsave(&hvcsd->lock, flags); /* Preserve this so that we know how many kref refs to put */ @@ -1499,8 +1492,6 @@ static int __devinit hvcs_initialize(void) goto index_fail; } - hvcs_tty_driver->owner = THIS_MODULE; - hvcs_tty_driver->driver_name = hvcs_driver_name; hvcs_tty_driver->name = hvcs_device_node; |