From: Jia-Ju Bai
Date: Tue, 8 Jan 2019 21:04:48 +0800
> The functions isdn_tty_tiocmset() and isdn_tty_set_termios() may be
> concurrently executed.
...
> These possible bugs are found by a static tool written by myself and
> my manual code review.
>
> To fix these possible bugs, the mutex lo
The functions isdn_tty_tiocmset() and isdn_tty_set_termios() may be
concurrently executed.
isdn_tty_tiocmset
isdn_tty_modem_hup
line 719: kfree(info->dtmf_state);
line 721: kfree(info->silence_state);
line 723: kfree(info->adpcms);
line 725: kfree(info->adpcmr);
isdn_tty_set_ter
