From: Jia-Ju Bai <baijiaju1...@gmail.com> 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 lock "modem_info_mutex" used in > isdn_tty_tiocmset() is added in isdn_tty_set_termios(). > > Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com> Applied.