提交 916d1544 编写于 作者: K Karsten Keil 提交者: Linus Torvalds

[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: NKarsten Keil <kkeil@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 5fd571cb
...@@ -933,7 +933,7 @@ isdn_readbchan_tty(int di, int channel, struct tty_struct *tty, int cisco_hack) ...@@ -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
} }
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册