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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 <kkeil@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 5fd571cb

drivers/isdn/i4l/isdn_common.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -933,7 +933,7 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) 
			count_put = count_pull;

			count_put = count_pull;

			if(count_put > 1)

			if(count_put > 1)

				tty_insert_flip_string(tty, skb->data, 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;

			len -= count_put;

#ifdef CONFIG_ISDN_AUDIO

#ifdef CONFIG_ISDN_AUDIO

		}

		}