diff options
Diffstat (limited to 'net/atm/resources.c')
-rw-r--r-- | net/atm/resources.c | 39 |
1 files changed, 12 insertions, 27 deletions
diff --git a/net/atm/resources.c b/net/atm/resources.c index ad533b02b84f..c8c459fcb038 100644 --- a/net/atm/resources.c +++ b/net/atm/resources.c | |||
@@ -70,6 +70,7 @@ struct atm_dev *atm_dev_lookup(int number) | |||
70 | return dev; | 70 | return dev; |
71 | } | 71 | } |
72 | 72 | ||
73 | |||
73 | struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops, | 74 | struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops, |
74 | int number, unsigned long *flags) | 75 | int number, unsigned long *flags) |
75 | { | 76 | { |
@@ -123,37 +124,22 @@ struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops, | |||
123 | 124 | ||
124 | void atm_dev_deregister(struct atm_dev *dev) | 125 | void atm_dev_deregister(struct atm_dev *dev) |
125 | { | 126 | { |
126 | unsigned long warning_time; | 127 | BUG_ON(test_bit(ATM_DF_REMOVED, &dev->flags)); |
127 | 128 | set_bit(ATM_DF_REMOVED, &dev->flags); | |
128 | atm_proc_dev_deregister(dev); | 129 | |
129 | 130 | /* | |
131 | * if we remove current device from atm_devs list, new device | ||
132 | * with same number can appear, such we need deregister proc, | ||
133 | * release async all vccs and remove them from vccs list too | ||
134 | */ | ||
130 | down(&atm_dev_mutex); | 135 | down(&atm_dev_mutex); |
131 | list_del(&dev->dev_list); | 136 | list_del(&dev->dev_list); |
132 | up(&atm_dev_mutex); | 137 | up(&atm_dev_mutex); |
133 | 138 | ||
134 | warning_time = jiffies; | 139 | atm_dev_release_vccs(dev); |
135 | while (atomic_read(&dev->refcnt) != 1) { | 140 | atm_proc_dev_deregister(dev); |
136 | msleep(250); | ||
137 | if ((jiffies - warning_time) > 10 * HZ) { | ||
138 | printk(KERN_EMERG "atm_dev_deregister: waiting for " | ||
139 | "dev %d to become free. Usage count = %d\n", | ||
140 | dev->number, atomic_read(&dev->refcnt)); | ||
141 | warning_time = jiffies; | ||
142 | } | ||
143 | } | ||
144 | |||
145 | kfree(dev); | ||
146 | } | ||
147 | 141 | ||
148 | void shutdown_atm_dev(struct atm_dev *dev) | 142 | atm_dev_put(dev); |
149 | { | ||
150 | if (atomic_read(&dev->refcnt) > 1) { | ||
151 | set_bit(ATM_DF_CLOSE, &dev->flags); | ||
152 | return; | ||
153 | } | ||
154 | if (dev->ops->dev_close) | ||
155 | dev->ops->dev_close(dev); | ||
156 | atm_dev_deregister(dev); | ||
157 | } | 143 | } |
158 | 144 | ||
159 | 145 | ||
@@ -433,4 +419,3 @@ void *atm_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos) | |||
433 | EXPORT_SYMBOL(atm_dev_register); | 419 | EXPORT_SYMBOL(atm_dev_register); |
434 | EXPORT_SYMBOL(atm_dev_deregister); | 420 | EXPORT_SYMBOL(atm_dev_deregister); |
435 | EXPORT_SYMBOL(atm_dev_lookup); | 421 | EXPORT_SYMBOL(atm_dev_lookup); |
436 | EXPORT_SYMBOL(shutdown_atm_dev); | ||