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dgrp procfs fixes, part 3: kill dead code

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-03-29 20:49:43 -04:00
parent 878c68c6c2
commit 772317b53b
1 changed files with 0 additions and 63 deletions
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63
drivers/staging/dgrp/dgrp_specproc.c
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@ -55,17 +55,9 @@ static void register_dgrp_device(struct nd_struct *node,
void (*register_hook)(struct proc_dir_entry *de));
/* File operation declarations */
static int dgrp_gen_proc_open(struct inode *, struct file *);
static int dgrp_gen_proc_close(struct inode *, struct file *);
static int parse_write_config(char *);
static const struct file_operations dgrp_proc_file_ops = {
.owner = THIS_MODULE,
.open = dgrp_gen_proc_open,
.release = dgrp_gen_proc_close,
};
static struct inode_operations proc_inode_ops = {
.permission = dgrp_inode_permission
};
@ -347,61 +339,6 @@ static void unregister_proc_table(struct dgrp_proc_entry *table,
}
}
static int dgrp_gen_proc_open(struct inode *inode, struct file *file)
{
struct proc_dir_entry *de;
struct dgrp_proc_entry *entry;
int ret = 0;
de = (struct proc_dir_entry *) PDE(file_inode(file));
if (!de || !de->data) {
ret = -ENXIO;
goto done;
}
entry = (struct dgrp_proc_entry *) de->data;
if (!entry) {
ret = -ENXIO;
goto done;
}
down(&entry->excl_sem);
if (entry->excl_cnt)
ret = -EBUSY;
else
entry->excl_cnt++;
up(&entry->excl_sem);
done:
return ret;
}
static int dgrp_gen_proc_close(struct inode *inode, struct file *file)
{
struct proc_dir_entry *de;
struct dgrp_proc_entry *entry;
de = (struct proc_dir_entry *) PDE(file_inode(file));
if (!de || !de->data)
goto done;
entry = (struct dgrp_proc_entry *) de->data;
if (!entry)
goto done;
down(&entry->excl_sem);
if (entry->excl_cnt)
entry->excl_cnt = 0;
up(&entry->excl_sem);
done:
return 0;
}
static void *dgrp_config_proc_start(struct seq_file *m, loff_t *pos)
{
return seq_list_start_head(&nd_struct_list, *pos);