Fixed bug: Crash of module if direct copying from buff

20160425/chardev-1write.c

@@ -194,7 +194,7 @@ device_write(struct file *filp, const char *buff, size_t len, loff_t * off)
 		int i;
 		for(i = 0; i < len; i++) //Save the given string
 			get_user(msg_username[i], buff + i);			
-			//msg_username[i] = buff[i]; //Heres the CRASH
+			//msg_username[i] = buff[i]; //Heres was the CRASH
 			//printk(KERN_INFO "Got %c at %d from %d bytes.\n", buff[i], i, (int)len);
 		for(i = len; i < USERBUF_LEN; i++) //Zeroing the rest of mem
 			msg_username[i] = 0;