From c037773cc7f8d3fb72dabc3dc0a53f5376d1383c Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 31 Mar 2013 15:02:51 -0400 Subject: [PATCH] rtl8192e: switch to proc_create() Signed-off-by: Al Viro --- drivers/staging/rtl8192e/rtllib_module.c | 52 ++++++++++-------------- 1 file changed, 21 insertions(+), 31 deletions(-) diff --git a/drivers/staging/rtl8192e/rtllib_module.c b/drivers/staging/rtl8192e/rtllib_module.c index 40b6d809e01e..84ea721d5d8e 100644 --- a/drivers/staging/rtl8192e/rtllib_module.c +++ b/drivers/staging/rtl8192e/rtllib_module.c @@ -208,39 +208,34 @@ static int debug = \ ; static struct proc_dir_entry *rtllib_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", rtllib_debug_level); + return seq_printf(m, "0x%08X\n", rtllib_debug_level); } -static int store_debug_level(struct file *file, const char __user *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((unsigned long)sizeof(buf) - 1, count); - char *p = (char *)buf; unsigned long val; + int err = kstrtoul_from_user(buffer, count, 0, &val); + if (err) + return err; + rtllib_debug_level = val; + return count; +} - 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 - rtllib_debug_level = val; - - return strnlen(buf, 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 rtllib_init(void) { struct proc_dir_entry *e; @@ -252,17 +247,12 @@ int __init rtllib_init(void) " proc directory\n"); return -EIO; } - e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR, - rtllib_proc); + e = proc_create("debug_level", S_IRUGO | S_IWUSR, rtllib_proc, &fops); if (!e) { remove_proc_entry(DRV_NAME, init_net.proc_net); rtllib_proc = NULL; return -EIO; } - e->read_proc = show_debug_level; - e->write_proc = store_debug_level; - e->data = NULL; - return 0; } -- 2.20.1