[PATCH] fix processing of the last byte in isdn_readbchan_tty()
The changes in the tty handling contain a bug while accessing
the last byte in the skb. Since special sequence for control of
DTMF and FAX via ttyI* devices handled via this path, these services
do not work anymore.
Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 81accdf..b26e509 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -933,7 +933,7 @@
count_put = count_pull;
if(count_put > 1)
tty_insert_flip_string(tty, skb->data, count_put - 1);
- last = skb->data[count_put] - 1;
+ last = skb->data[count_put - 1];
len -= count_put;
#ifdef CONFIG_ISDN_AUDIO
}