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Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
tty
/
n_gsm.c
diff --git
a/drivers/tty/n_gsm.c
b/drivers/tty/n_gsm.c
index 4a43ef5d7962c9b043dc047ac16a5207f656bfa7..642239015b46bbe9e18844f186a31296a343d5f9 100644
(file)
--- 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) {
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;
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 (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:
tty_port_close_end(&dlci->port, tty);
tty_port_tty_set(&dlci->port, NULL);
out: