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rtl8192u: switch to proc_create()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-03-31 15:07:00 -04:00
parent 859d22f9c3
commit 78846ce66d
1 changed files with 23 additions and 32 deletions
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55
drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
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@ -243,39 +243,34 @@ static int debug = \
;
struct proc_dir_entry *ieee80211_proc;
static int show_debug_level(char *page, char **start, off_t offset,
int count, int *eof, void *data)
static int show_debug_level(struct seq_file *m, void *v)
{
return snprintf(page, count, "0x%08X\n", ieee80211_debug_level);
return seq_printf(m, "0x%08X\n", ieee80211_debug_level);
}
static int store_debug_level(struct file *file, const char *buffer,
unsigned long count, void *data)
static ssize_t write_debug_level(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
char buf[] = "0x00000000";
unsigned long len = min_t(unsigned long, sizeof(buf) - 1, count);
char *p = (char *)buf;
unsigned long val;
if (copy_from_user(buf, buffer, len))
return count;
buf[len] = 0;
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
p++;
if (p[0] == 'x' || p[0] == 'X')
p++;
val = simple_strtoul(p, &p, 16);
} else
val = simple_strtoul(p, &p, 10);
if (p == buf)
printk(KERN_INFO DRV_NAME
": %s is not in hex or decimal form.\n", buf);
else
ieee80211_debug_level = val;
return strnlen(buf, count);
int err = kstrtoul_from_user(buffer, count, 0, &val);
if (err)
return err;
ieee80211_debug_level = val;
return count;
}
static int open_debug_level(struct inode *inode, struct file *file)
{
return single_open(file, show_debug_level, NULL);
}
static const struct file_operations fops = {
.open = open_debug_level,
.read = seq_read,
.llseek = seq_lseek,
.write = write_debug_level
};
int __init ieee80211_debug_init(void)
{
struct proc_dir_entry *e;
@ -288,17 +283,13 @@ int __init ieee80211_debug_init(void)
" proc directory\n");
return -EIO;
}
e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR,
ieee80211_proc);
e = proc_create("debug_level", S_IRUGO | S_IWUSR,
ieee80211_proc, &fops);
if (!e) {
remove_proc_entry(DRV_NAME, init_net.proc_net);
ieee80211_proc = NULL;
return -EIO;
}
e->read_proc = show_debug_level;
e->write_proc = store_debug_level;
e->data = NULL;
return 0;
}