diff options
| -rw-r--r-- | drivers/staging/dgrp/dgrp_common.h | 8 | ||||
| -rw-r--r-- | drivers/staging/dgrp/dgrp_dpa_ops.c | 19 | ||||
| -rw-r--r-- | drivers/staging/dgrp/dgrp_mon_ops.c | 16 | ||||
| -rw-r--r-- | drivers/staging/dgrp/dgrp_net_ops.c | 19 | ||||
| -rw-r--r-- | drivers/staging/dgrp/dgrp_ports_ops.c | 16 | ||||
| -rw-r--r-- | drivers/staging/dgrp/dgrp_specproc.c | 96 |
6 files changed, 45 insertions, 129 deletions
diff --git a/drivers/staging/dgrp/dgrp_common.h b/drivers/staging/dgrp/dgrp_common.h index 99e231c3c602..81fc9ae155a0 100644 --- a/drivers/staging/dgrp/dgrp_common.h +++ b/drivers/staging/dgrp/dgrp_common.h @@ -49,20 +49,20 @@ extern struct dgrp_poll_data dgrp_poll_data; extern void dgrp_poll_handler(unsigned long arg); /* from dgrp_mon_ops.c */ -extern void dgrp_register_mon_hook(struct proc_dir_entry *de); +extern const struct file_operations dgrp_mon_ops; /* from dgrp_tty.c */ extern int dgrp_tty_init(struct nd_struct *nd); extern void dgrp_tty_uninit(struct nd_struct *nd); /* from dgrp_ports_ops.c */ -extern void dgrp_register_ports_hook(struct proc_dir_entry *de); +extern const struct file_operations dgrp_ports_ops; /* from dgrp_net_ops.c */ -extern void dgrp_register_net_hook(struct proc_dir_entry *de); +extern const struct file_operations dgrp_net_ops; /* from dgrp_dpa_ops.c */ -extern void dgrp_register_dpa_hook(struct proc_dir_entry *de); +extern const struct file_operations dgrp_dpa_ops; extern void dgrp_dpa_data(struct nd_struct *, int, u8 *, int); /* from dgrp_sysfs.c */ diff --git a/drivers/staging/dgrp/dgrp_dpa_ops.c b/drivers/staging/dgrp/dgrp_dpa_ops.c index 021cca498f2c..cfa8e82404f9 100644 --- a/drivers/staging/dgrp/dgrp_dpa_ops.c +++ b/drivers/staging/dgrp/dgrp_dpa_ops.c @@ -52,7 +52,7 @@ static long dgrp_dpa_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static unsigned int dgrp_dpa_select(struct file *, struct poll_table_struct *); -static const struct file_operations dpa_ops = { +const struct file_operations dgrp_dpa_ops = { .owner = THIS_MODULE, .read = dgrp_dpa_read, .poll = dgrp_dpa_select, @@ -61,12 +61,6 @@ static const struct file_operations dpa_ops = { .release = dgrp_dpa_release, }; -static struct inode_operations dpa_inode_ops = { - .permission = dgrp_inode_permission -}; - - - struct digi_node { uint nd_state; /* Node state: 1 = up, 0 = down. */ uint nd_chan_count; /* Number of channels found */ @@ -111,17 +105,6 @@ struct digi_debug { #define DIGI_SETDEBUG (('d'<<8) | 247) /* set debug info */ -void dgrp_register_dpa_hook(struct proc_dir_entry *de) -{ - struct nd_struct *node = de->data; - - de->proc_iops = &dpa_inode_ops; - de->proc_fops = &dpa_ops; - - node->nd_dpa_de = de; - spin_lock_init(&node->nd_dpa_lock); -} - /* * dgrp_dpa_open -- open the DPA device for a particular PortServer */ diff --git a/drivers/staging/dgrp/dgrp_mon_ops.c b/drivers/staging/dgrp/dgrp_mon_ops.c index 4792d056a365..52493b5c1673 100644 --- a/drivers/staging/dgrp/dgrp_mon_ops.c +++ b/drivers/staging/dgrp/dgrp_mon_ops.c @@ -49,7 +49,7 @@ static ssize_t dgrp_mon_read(struct file *, char __user *, size_t, loff_t *); static long dgrp_mon_ioctl(struct file *file, unsigned int cmd, unsigned long arg); -static const struct file_operations mon_ops = { +const struct file_operations dgrp_mon_ops = { .owner = THIS_MODULE, .read = dgrp_mon_read, .unlocked_ioctl = dgrp_mon_ioctl, @@ -57,20 +57,6 @@ static const struct file_operations mon_ops = { .release = dgrp_mon_release, }; -static struct inode_operations mon_inode_ops = { - .permission = dgrp_inode_permission -}; - -void dgrp_register_mon_hook(struct proc_dir_entry *de) -{ - struct nd_struct *node = de->data; - - de->proc_iops = &mon_inode_ops; - de->proc_fops = &mon_ops; - node->nd_mon_de = de; - sema_init(&node->nd_mon_semaphore, 1); -} - /** * dgrp_mon_open() -- open /proc/dgrp/ports device for a PortServer * @inode: struct inode * diff --git a/drivers/staging/dgrp/dgrp_net_ops.c b/drivers/staging/dgrp/dgrp_net_ops.c index e6018823b9de..dc826b2cf907 100644 --- a/drivers/staging/dgrp/dgrp_net_ops.c +++ b/drivers/staging/dgrp/dgrp_net_ops.c @@ -72,7 +72,7 @@ static long dgrp_net_ioctl(struct file *file, unsigned int cmd, static unsigned int dgrp_net_select(struct file *file, struct poll_table_struct *table); -static const struct file_operations net_ops = { +const struct file_operations dgrp_net_ops = { .owner = THIS_MODULE, .read = dgrp_net_read, .write = dgrp_net_write, @@ -82,23 +82,6 @@ static const struct file_operations net_ops = { .release = dgrp_net_release, }; -static struct inode_operations net_inode_ops = { - .permission = dgrp_inode_permission -}; - -void dgrp_register_net_hook(struct proc_dir_entry *de) -{ - struct nd_struct *node = de->data; - - de->proc_iops = &net_inode_ops; - de->proc_fops = &net_ops; - node->nd_net_de = de; - sema_init(&node->nd_net_semaphore, 1); - node->nd_state = NS_CLOSED; - dgrp_create_node_class_sysfs_files(node); -} - - /** * dgrp_dump() -- prints memory for debugging purposes. * @mem: Memory location which should be printed to the console diff --git a/drivers/staging/dgrp/dgrp_ports_ops.c b/drivers/staging/dgrp/dgrp_ports_ops.c index cd1fc2088624..48e9079c6355 100644 --- a/drivers/staging/dgrp/dgrp_ports_ops.c +++ b/drivers/staging/dgrp/dgrp_ports_ops.c @@ -47,7 +47,7 @@ /* File operation declarations */ static int dgrp_ports_open(struct inode *, struct file *); -static const struct file_operations ports_ops = { +const struct file_operations dgrp_ports_ops = { .owner = THIS_MODULE, .open = dgrp_ports_open, .read = seq_read, @@ -55,20 +55,6 @@ static const struct file_operations ports_ops = { .release = seq_release }; -static struct inode_operations ports_inode_ops = { - .permission = dgrp_inode_permission -}; - - -void dgrp_register_ports_hook(struct proc_dir_entry *de) -{ - struct nd_struct *node = de->data; - - de->proc_iops = &ports_inode_ops; - de->proc_fops = &ports_ops; - node->nd_ports_de = de; -} - static void *dgrp_ports_seq_start(struct seq_file *seq, loff_t *pos) { if (*pos == 0) diff --git a/drivers/staging/dgrp/dgrp_specproc.c b/drivers/staging/dgrp/dgrp_specproc.c index caf4faccf42d..22c5d0bfe104 100644 --- a/drivers/staging/dgrp/dgrp_specproc.c +++ b/drivers/staging/dgrp/dgrp_specproc.c @@ -48,10 +48,9 @@ static struct proc_dir_entry *dgrp_proc_dir_entry; static int dgrp_add_id(long id); static int dgrp_remove_nd(struct nd_struct *nd); -static void unregister_dgrp_device(struct proc_dir_entry *de); -static void register_dgrp_device(struct nd_struct *node, +static struct proc_dir_entry *add_proc_file(struct nd_struct *node, struct proc_dir_entry *root, - void (*register_hook)(struct proc_dir_entry *de)); + const struct file_operations *fops); /* File operation declarations */ static int parse_write_config(char *); @@ -100,6 +99,21 @@ static struct proc_dir_entry *mon_entry_pointer; static struct proc_dir_entry *dpa_entry_pointer; static struct proc_dir_entry *ports_entry_pointer; +static void remove_files(struct nd_struct *nd) +{ + char buf[3]; + ID_TO_CHAR(nd->nd_ID, buf); + dgrp_remove_node_class_sysfs_files(nd); + if (nd->nd_net_de) + remove_proc_entry(buf, net_entry_pointer); + if (nd->nd_mon_de) + remove_proc_entry(buf, mon_entry_pointer); + if (nd->nd_dpa_de) + remove_proc_entry(buf, dpa_entry_pointer); + if (nd->nd_ports_de) + remove_proc_entry(buf, ports_entry_pointer); +} + void dgrp_unregister_proc(void) { net_entry_pointer = NULL; @@ -109,21 +123,8 @@ void dgrp_unregister_proc(void) if (dgrp_proc_dir_entry) { struct nd_struct *nd; - list_for_each_entry(nd, &nd_struct_list, list) { - if (nd->nd_net_de) { - unregister_dgrp_device(nd->nd_net_de); - dgrp_remove_node_class_sysfs_files(nd); - } - - if (nd->nd_mon_de) - unregister_dgrp_device(nd->nd_mon_de); - - if (nd->nd_dpa_de) - unregister_dgrp_device(nd->nd_dpa_de); - - if (nd->nd_ports_de) - unregister_dgrp_device(nd->nd_ports_de); - } + list_for_each_entry(nd, &nd_struct_list, list) + remove_files(nd); remove_proc_entry("dgrp/config", NULL); remove_proc_entry("dgrp/info", NULL); remove_proc_entry("dgrp/nodeinfo", NULL); @@ -494,6 +495,10 @@ static int dgrp_add_id(long id) init_waitqueue_head(&nd->nd_tx_waitq); init_waitqueue_head(&nd->nd_mon_wqueue); init_waitqueue_head(&nd->nd_dpa_wqueue); + sema_init(&nd->nd_mon_semaphore, 1); + sema_init(&nd->nd_net_semaphore, 1); + spin_lock_init(&nd->nd_dpa_lock); + nd->nd_state = NS_CLOSED; for (i = 0; i < SEQ_MAX; i++) init_waitqueue_head(&nd->nd_seq_wque[i]); @@ -508,12 +513,12 @@ static int dgrp_add_id(long id) if (ret) goto error_out; - register_dgrp_device(nd, net_entry_pointer, dgrp_register_net_hook); - register_dgrp_device(nd, mon_entry_pointer, dgrp_register_mon_hook); - register_dgrp_device(nd, dpa_entry_pointer, dgrp_register_dpa_hook); - register_dgrp_device(nd, ports_entry_pointer, - dgrp_register_ports_hook); - + dgrp_create_node_class_sysfs_files(nd); + nd->nd_net_de = add_proc_file(nd, net_entry_pointer, &dgrp_net_ops); + nd->nd_mon_de = add_proc_file(nd, mon_entry_pointer, &dgrp_mon_ops); + nd->nd_dpa_de = add_proc_file(nd, dpa_entry_pointer, &dgrp_dpa_ops); + nd->nd_ports_de = add_proc_file(nd, ports_entry_pointer, + &dgrp_ports_ops); return 0; /* FIXME this guy should free the tty driver stored in nd and destroy @@ -532,16 +537,7 @@ static int dgrp_remove_nd(struct nd_struct *nd) if (nd->nd_tty_ref_cnt) return -EBUSY; - if (nd->nd_net_de) { - unregister_dgrp_device(nd->nd_net_de); - dgrp_remove_node_class_sysfs_files(nd); - } - - unregister_dgrp_device(nd->nd_mon_de); - - unregister_dgrp_device(nd->nd_ports_de); - - unregister_dgrp_device(nd->nd_dpa_de); + remove_files(nd); dgrp_tty_uninit(nd); @@ -553,9 +549,9 @@ static int dgrp_remove_nd(struct nd_struct *nd) return 0; } -static void register_dgrp_device(struct nd_struct *node, +static struct proc_dir_entry *add_proc_file(struct nd_struct *node, struct proc_dir_entry *root, - void (*register_hook)(struct proc_dir_entry *de)) + const struct file_operations *fops) { char buf[3]; struct proc_dir_entry *de; @@ -563,28 +559,10 @@ static void register_dgrp_device(struct nd_struct *node, ID_TO_CHAR(node->nd_ID, buf); de = create_proc_entry(buf, 0600 | S_IFREG, root); - if (!de) - return; - - de->data = (void *) node; - - if (register_hook) - register_hook(de); - -} - -static void unregister_dgrp_device(struct proc_dir_entry *de) -{ - if (!de) - return; - - /* Don't unregister proc entries that are still being used.. */ - if ((atomic_read(&de->count)) != 1) { - pr_alert("%s - proc entry %s in use. Not removing.\n", - __func__, de->name); - return; + if (de) { + de->data = (void *) node; + de->proc_fops = fops; + de->proc_iops = &proc_inode_ops; } - - remove_proc_entry(de->name, de->parent); - de = NULL; + return de; } |