On Sat, May 25, 2024 at 05:00:59PM +0300, Andy Shevchenko wrote: > On Thu, May 23, 2024 at 3:42 PM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > > > > 5e5a419c9407f6 Yasin Lee 2024-05-10 1110 static ssize_t hx9031as_raw_data_show(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) > > 5e5a419c9407f6 Yasin Lee 2024-05-10 1111 { > > 5e5a419c9407f6 Yasin Lee 2024-05-10 1112 char buf[BUF_SIZE] = {0}; > > 5e5a419c9407f6 Yasin Lee 2024-05-10 1113 char *p = buf; > > 5e5a419c9407f6 Yasin Lee 2024-05-10 1114 int ii = 0; > > 5e5a419c9407f6 Yasin Lee 2024-05-10 1115 > > 5e5a419c9407f6 Yasin Lee 2024-05-10 1116 hx9031as_sample(); > > 5e5a419c9407f6 Yasin Lee 2024-05-10 1117 for (ii = 0; ii < HX9031AS_CH_NUM; ii++) { > > 5e5a419c9407f6 Yasin Lee 2024-05-10 @1118 p += snprintf(p, PAGE_SIZE, "ch[%d]: DIFF=%-8d, RAW=%-8d, OFFSET=%-8d, BL=%-8d, LP=%-8d\n", > > ^^^^^^^^^ > > > > Also use scnprintf() instead of snprintf() unless you need to check the > > results. > > This is incorrect advice. You should recommend sysfs_emit() / > sysfs_emit_at() in this kind of case. No, this is not sysfs code. It's debugfs. The API is completely different. regards, dan carpenter