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-rw-r--r--drivers/char/tty_ldisc.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index a19e935847b0..913aa8d3f1c5 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -867,15 +867,22 @@ void tty_ldisc_release(struct tty_struct *tty, struct tty_struct *o_tty)
867 tty_ldisc_wait_idle(tty); 867 tty_ldisc_wait_idle(tty);
868 868
869 /* 869 /*
870 * Shutdown the current line discipline, and reset it to N_TTY. 870 * Now kill off the ldisc
871 *
872 * FIXME: this MUST get fixed for the new reflocking
873 */ 871 */
872 tty_ldisc_close(tty, tty->ldisc);
873 tty_ldisc_put(tty->ldisc);
874 /* Force an oops if we mess this up */
875 tty->ldisc = NULL;
876
877 /* Ensure the next open requests the N_TTY ldisc */
878 tty_set_termios_ldisc(tty, N_TTY);
874 879
875 tty_ldisc_reinit(tty);
876 /* This will need doing differently if we need to lock */ 880 /* This will need doing differently if we need to lock */
877 if (o_tty) 881 if (o_tty)
878 tty_ldisc_release(o_tty, NULL); 882 tty_ldisc_release(o_tty, NULL);
883
884 /* And the memory resources remaining (buffers, termios) will be
885 disposed of when the kref hits zero */
879} 886}
880 887
881/** 888/**