patch-2.2.16 linux/drivers/char/n_tty.c

• Lines: 13
• Date: Wed Jun 7 14:26:42 2000
• Orig file: v2.2.15/linux/drivers/char/n_tty.c
• Orig date: Wed May 3 17:16:38 2000

diff -urN v2.2.15/linux/drivers/char/n_tty.c linux/drivers/char/n_tty.c
@@ -228,9 +228,9 @@
 		nr = space;
 	if (nr > sizeof(buf))
 	    nr = sizeof(buf);
-	nr -= copy_from_user(buf, inbuf, nr);
-	if (!nr)
-		return 0;
+
+	if (copy_from_user(buf, inbuf, nr))
+		return -EFAULT;
 	
 	for (i = 0, cp = buf; i < nr; i++, cp++) {
 		switch (*cp) {