diff options
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/kernel/srm_env.c | 93 |
1 files changed, 14 insertions, 79 deletions
diff --git a/arch/alpha/kernel/srm_env.c b/arch/alpha/kernel/srm_env.c index e64559f0a82d..ffe996a54fad 100644 --- a/arch/alpha/kernel/srm_env.c +++ b/arch/alpha/kernel/srm_env.c @@ -51,13 +51,11 @@ MODULE_LICENSE("GPL"); typedef struct _srm_env { char *name; unsigned long id; - struct proc_dir_entry *proc_entry; } srm_env_t; static struct proc_dir_entry *base_dir; static struct proc_dir_entry *named_dir; static struct proc_dir_entry *numbered_dir; -static char number[256][4]; static srm_env_t srm_named_entries[] = { { "auto_action", ENV_AUTO_ACTION }, @@ -77,21 +75,18 @@ static srm_env_t srm_named_entries[] = { { "tty_dev", ENV_TTY_DEV }, { NULL, 0 }, }; -static srm_env_t srm_numbered_entries[256]; - static int srm_env_proc_show(struct seq_file *m, void *v) { unsigned long ret; - srm_env_t *entry; + unsigned long id = (unsigned long)m->private; char *page; - entry = m->private; page = (char *)__get_free_page(GFP_USER); if (!page) return -ENOMEM; - ret = callback_getenv(entry->id, page, PAGE_SIZE); + ret = callback_getenv(id, page, PAGE_SIZE); if ((ret >> 61) == 0) { seq_write(m, page, ret); @@ -104,14 +99,14 @@ static int srm_env_proc_show(struct seq_file *m, void *v) static int srm_env_proc_open(struct inode *inode, struct file *file) { - return single_open(file, srm_env_proc_show, PDE(inode)->data); + return single_open(file, srm_env_proc_show, PDE_DATA(inode)); } static ssize_t srm_env_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { int res; - srm_env_t *entry = PDE(file_inode(file))->data; + unsigned long id = (unsigned long)PDE_DATA(file_inode(file)); char *buf = (char *) __get_free_page(GFP_USER); unsigned long ret1, ret2; @@ -127,7 +122,7 @@ static ssize_t srm_env_proc_write(struct file *file, const char __user *buffer, goto out; buf[count] = '\0'; - ret1 = callback_setenv(entry->id, buf, count); + ret1 = callback_setenv(id, buf, count); if ((ret1 >> 61) == 0) { do ret2 = callback_save_env(); @@ -149,52 +144,6 @@ static const struct file_operations srm_env_proc_fops = { .write = srm_env_proc_write, }; -static void -srm_env_cleanup(void) -{ - srm_env_t *entry; - unsigned long var_num; - - if (base_dir) { - /* - * Remove named entries - */ - if (named_dir) { - entry = srm_named_entries; - while (entry->name != NULL && entry->id != 0) { - if (entry->proc_entry) { - remove_proc_entry(entry->name, - named_dir); - entry->proc_entry = NULL; - } - entry++; - } - remove_proc_entry(NAMED_DIR, base_dir); - } - - /* - * Remove numbered entries - */ - if (numbered_dir) { - for (var_num = 0; var_num <= 255; var_num++) { - entry = &srm_numbered_entries[var_num]; - - if (entry->proc_entry) { - remove_proc_entry(entry->name, - numbered_dir); - entry->proc_entry = NULL; - entry->name = NULL; - } - } - remove_proc_entry(NUMBERED_DIR, base_dir); - } - - remove_proc_entry(BASE_DIR, NULL); - } - - return; -} - static int __init srm_env_init(void) { @@ -213,19 +162,13 @@ srm_env_init(void) } /* - * Init numbers - */ - for (var_num = 0; var_num <= 255; var_num++) - sprintf(number[var_num], "%ld", var_num); - - /* * Create base directory */ base_dir = proc_mkdir(BASE_DIR, NULL); if (!base_dir) { printk(KERN_ERR "Couldn't create base dir /proc/%s\n", BASE_DIR); - goto cleanup; + return -ENOMEM; } /* @@ -254,9 +197,8 @@ srm_env_init(void) */ entry = srm_named_entries; while (entry->name && entry->id) { - entry->proc_entry = proc_create_data(entry->name, 0644, named_dir, - &srm_env_proc_fops, entry); - if (!entry->proc_entry) + if (!proc_create_data(entry->name, 0644, named_dir, + &srm_env_proc_fops, (void *)entry->id)) goto cleanup; entry++; } @@ -265,15 +207,11 @@ srm_env_init(void) * Create all numbered nodes */ for (var_num = 0; var_num <= 255; var_num++) { - entry = &srm_numbered_entries[var_num]; - entry->name = number[var_num]; - - entry->proc_entry = proc_create_data(entry->name, 0644, numbered_dir, - &srm_env_proc_fops, entry); - if (!entry->proc_entry) + char name[4]; + sprintf(name, "%ld", var_num); + if (!proc_create_data(name, 0644, numbered_dir, + &srm_env_proc_fops, (void *)var_num)) goto cleanup; - - entry->id = var_num; } printk(KERN_INFO "%s: version %s loaded successfully\n", NAME, @@ -282,18 +220,15 @@ srm_env_init(void) return 0; cleanup: - srm_env_cleanup(); - + remove_proc_subtree(BASE_DIR, NULL); return -ENOMEM; } static void __exit srm_env_exit(void) { - srm_env_cleanup(); + remove_proc_subtree(BASE_DIR, NULL); printk(KERN_INFO "%s: unloaded successfully\n", NAME); - - return; } module_init(srm_env_init); |