diff options
Diffstat (limited to 'drivers/tty/n_gsm.c')
| -rw-r--r-- | drivers/tty/n_gsm.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 2ebe47b78a3e..152443ab1447 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -2088,9 +2088,7 @@ static int gsm_activate_mux(struct gsm_mux *gsm) struct gsm_dlci *dlci; int i = 0; - init_timer(&gsm->t2_timer); - gsm->t2_timer.function = gsm_control_retransmit; - gsm->t2_timer.data = (unsigned long)gsm; + setup_timer(&gsm->t2_timer, gsm_control_retransmit, (unsigned long)gsm); init_waitqueue_head(&gsm->event); spin_lock_init(&gsm->control_lock); spin_lock_init(&gsm->tx_lock); @@ -2230,8 +2228,7 @@ static int gsmld_output(struct gsm_mux *gsm, u8 *data, int len) static int gsmld_attach_gsm(struct tty_struct *tty, struct gsm_mux *gsm) { - int ret, i; - int base = gsm->num << 6; /* Base for this MUX */ + int ret, i, base; gsm->tty = tty_kref_get(tty); gsm->output = gsmld_output; @@ -2241,6 +2238,7 @@ static int gsmld_attach_gsm(struct tty_struct *tty, struct gsm_mux *gsm) else { /* Don't register device 0 - this is the control channel and not a usable tty interface */ + base = gsm->num << 6; /* Base for this MUX */ for (i = 1; i < NUM_DLCI; i++) tty_register_device(gsm_tty_driver, base + i, NULL); } @@ -2368,6 +2366,7 @@ static void gsmld_close(struct tty_struct *tty) static int gsmld_open(struct tty_struct *tty) { struct gsm_mux *gsm; + int ret; if (tty->ops->write == NULL) return -EINVAL; @@ -2382,7 +2381,13 @@ static int gsmld_open(struct tty_struct *tty) /* Attach the initial passive connection */ gsm->encoding = 1; - return gsmld_attach_gsm(tty, gsm); + + ret = gsmld_attach_gsm(tty, gsm); + if (ret != 0) { + gsm_cleanup_mux(gsm); + mux_put(gsm); + } + return ret; } /** |