diff options
Diffstat (limited to 'drivers/isdn')
| -rw-r--r-- | drivers/isdn/capi/capi.c | 36 | ||||
| -rw-r--r-- | drivers/isdn/gigaset/common.c | 1 | ||||
| -rw-r--r-- | drivers/isdn/i4l/isdn_tty.c | 4 |
3 files changed, 22 insertions, 19 deletions
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index c679867c2ccd..89562a845f6a 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -77,8 +77,6 @@ struct ackqueue_entry { }; struct capiminor { - struct kref kref; - unsigned int minor; struct capi20_appl *ap; @@ -190,7 +188,20 @@ static void capiminor_del_all_ack(struct capiminor *mp) /* -------- struct capiminor ---------------------------------------- */ -static const struct tty_port_operations capiminor_port_ops; /* we have none */ +static void capiminor_destroy(struct tty_port *port) +{ + struct capiminor *mp = container_of(port, struct capiminor, port); + + kfree_skb(mp->outskb); + skb_queue_purge(&mp->inqueue); + skb_queue_purge(&mp->outqueue); + capiminor_del_all_ack(mp); + kfree(mp); +} + +static const struct tty_port_operations capiminor_port_ops = { + .destruct = capiminor_destroy, +}; static struct capiminor *capiminor_alloc(struct capi20_appl *ap, u32 ncci) { @@ -204,8 +215,6 @@ static struct capiminor *capiminor_alloc(struct capi20_appl *ap, u32 ncci) return NULL; } - kref_init(&mp->kref); - mp->ap = ap; mp->ncci = ncci; INIT_LIST_HEAD(&mp->ackqueue); @@ -247,21 +256,10 @@ err_out2: spin_unlock(&capiminors_lock); err_out1: - kfree(mp); + tty_port_put(&mp->port); return NULL; } -static void capiminor_destroy(struct kref *kref) -{ - struct capiminor *mp = container_of(kref, struct capiminor, kref); - - kfree_skb(mp->outskb); - skb_queue_purge(&mp->inqueue); - skb_queue_purge(&mp->outqueue); - capiminor_del_all_ack(mp); - kfree(mp); -} - static struct capiminor *capiminor_get(unsigned int minor) { struct capiminor *mp; @@ -269,7 +267,7 @@ static struct capiminor *capiminor_get(unsigned int minor) spin_lock(&capiminors_lock); mp = capiminors[minor]; if (mp) - kref_get(&mp->kref); + tty_port_get(&mp->port); spin_unlock(&capiminors_lock); return mp; @@ -277,7 +275,7 @@ static struct capiminor *capiminor_get(unsigned int minor) static inline void capiminor_put(struct capiminor *mp) { - kref_put(&mp->kref, capiminor_destroy); + tty_port_put(&mp->port); } static void capiminor_free(struct capiminor *mp) diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c index 30a6b174fbb0..6849a11a1b24 100644 --- a/drivers/isdn/gigaset/common.c +++ b/drivers/isdn/gigaset/common.c @@ -507,6 +507,7 @@ void gigaset_freecs(struct cardstate *cs) gig_dbg(DEBUG_INIT, "clearing at_state"); clear_at_state(&cs->at_state); dealloc_temp_at_states(cs); + tty_port_destroy(&cs->port); /* fall through */ case 0: /* error in basic setup */ diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index b817809f763c..e09dc8a5e743 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -1849,6 +1849,8 @@ err_unregister: kfree(info->fax); #endif kfree(info->port.xmit_buf - 4); + info->port.xmit_buf = NULL; + tty_port_destroy(&info->port); } tty_unregister_driver(m->tty_modem); err: @@ -1870,6 +1872,8 @@ isdn_tty_exit(void) kfree(info->fax); #endif kfree(info->port.xmit_buf - 4); + info->port.xmit_buf = NULL; + tty_port_destroy(&info->port); } tty_unregister_driver(dev->mdm.tty_modem); put_tty_driver(dev->mdm.tty_modem); |