Commit 916d1544 authored by Karsten Keil's avatar Karsten Keil Committed by Linus Torvalds
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[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: default avatarKarsten Keil <>
Signed-off-by: default avatarLinus Torvalds <>
parent 5fd571cb
......@@ -933,7 +933,7 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack)
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;
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