i += len;
if (debug) {
- char tb[count + 1];
- if (copy_from_user(tb, user_buffer, count))
+ size_t copy = min(count, 1023);
+ char tb[copy + 1];
+ if (copy_from_user(tb, user_buffer, copy))
return -EFAULT;
- tb[count] = 0;
+ tb[copy] = 0;
printk(KERN_DEBUG "pktgen: %s,%lu buffer -:%s:-\n", name,
(unsigned long)count, tb);
}