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path: root/drivers/tty/n_gsm.c
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Diffstat (limited to 'drivers/tty/n_gsm.c')
-rw-r--r--drivers/tty/n_gsm.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 4a43ef5d7962..642239015b46 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -1418,11 +1418,7 @@ static void gsm_dlci_close(struct gsm_dlci *dlci)
pr_debug("DLCI %d goes closed.\n", dlci->addr);
dlci->state = DLCI_CLOSED;
if (dlci->addr != 0) {
- struct tty_struct *tty = tty_port_tty_get(&dlci->port);
- if (tty) {
- tty_hangup(tty);
- tty_kref_put(tty);
- }
+ tty_port_tty_hangup(&dlci->port, false);
kfifo_reset(dlci->fifo);
} else
dlci->gsm->dead = 1;
@@ -2968,6 +2964,10 @@ static void gsmtty_close(struct tty_struct *tty, struct file *filp)
if (tty_port_close_start(&dlci->port, tty, filp) == 0)
goto out;
gsm_dlci_begin_close(dlci);
+ if (test_bit(ASYNCB_INITIALIZED, &dlci->port.flags)) {
+ if (C_HUPCL(tty))
+ tty_port_lower_dtr_rts(&dlci->port);
+ }
tty_port_close_end(&dlci->port, tty);
tty_port_tty_set(&dlci->port, NULL);
out: