Merge "tty: Fix use-after-free of echo_delayed_work member from tty_struct" (e807a62b) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/tty/tty_ldisc.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -846,8 +846,13 @@ int tty_ldisc_init(struct tty_struct *tty)
		*/
		void tty_ldisc_deinit(struct tty_struct *tty)
		{
		if (tty->ldisc)
		if (tty->ldisc) {
		#if defined(CONFIG_TTY_FLUSH_LOCAL_ECHO)
		if (tty->echo_delayed_work.work.func)
		cancel_delayed_work_sync(&tty->echo_delayed_work);
		#endif
		tty_ldisc_put(tty->ldisc);
		}
		tty->ldisc = NULL;
		}