Hello Maciej, this patch reduces the zs driver's character lossage. Thiemo diff -abdpruNPX /bigdisk/src/dontdiff linux-orig/drivers/tc/zs.c linux/drivers/tc/zs.c --- linux-orig/drivers/tc/zs.c Tue Aug 12 04:11:58 2003 +++ linux/drivers/tc/zs.c Sun Sep 21 22:28:40 2003 @@ -456,7 +456,7 @@ static _INLINE_ void receive_chars(struc if (info->hook && info->hook->rx_char) { (*info->hook->rx_char)(ch, flag); - return; + break; } if (tty->flip.count >= TTY_FLIPBUF_SIZE) {