[PATCH] fix processing of the last byte in isdn_readbchan_tty()

[Karsten Keil]

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@xxxxxxx>

---

 drivers/isdn/i4l/isdn_common.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

1bfb4ea878e3e73e64a5507d1a305517c1f2bbdd
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 @@ isdn_readbchan_tty(int di, int channel, 
 			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
 		}


-- 
Karsten Keil
SuSE Labs
ISDN development
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