diff options
Diffstat (limited to 'drivers/isdn/gigaset/interface.c')
| -rw-r--r-- | drivers/isdn/gigaset/interface.c | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c index 311e7ca0fb0..820a30923fe 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -193,7 +193,9 @@ static void if_close(struct tty_struct *tty, struct file *filp) mutex_lock(&cs->mutex); - if (!cs->open_count) + if (!cs->connected) + gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ + else if (!cs->open_count) dev_warn(cs->dev, "%s: device not opened\n", __func__); else { if (!--cs->open_count) { @@ -228,7 +230,10 @@ static int if_ioctl(struct tty_struct *tty, struct file *file, if (mutex_lock_interruptible(&cs->mutex)) return -ERESTARTSYS; // FIXME -EINTR? - if (!cs->open_count) + if (!cs->connected) { + gig_dbg(DEBUG_IF, "not connected"); + retval = -ENODEV; + } else if (!cs->open_count) dev_warn(cs->dev, "%s: device not opened\n", __func__); else { retval = 0; @@ -248,13 +253,6 @@ static int if_ioctl(struct tty_struct *tty, struct file *file, retval = put_user(int_arg, (int __user *) arg); break; case GIGASET_BRKCHARS: - //FIXME test if MS_LOCKED - if (!cs->connected) { - gig_dbg(DEBUG_ANY, - "can't communicate with unplugged device"); - retval = -ENODEV; - break; - } retval = copy_from_user(&buf, (const unsigned char __user *) arg, 6) ? -EFAULT : 0; @@ -331,7 +329,7 @@ static int if_tiocmset(struct tty_struct *tty, struct file *file, return -ERESTARTSYS; // FIXME -EINTR? if (!cs->connected) { - gig_dbg(DEBUG_ANY, "can't communicate with unplugged device"); + gig_dbg(DEBUG_IF, "not connected"); retval = -ENODEV; } else { mc = (cs->control_state | set) & ~clear & (TIOCM_RTS|TIOCM_DTR); @@ -360,14 +358,14 @@ static int if_write(struct tty_struct *tty, const unsigned char *buf, int count) if (mutex_lock_interruptible(&cs->mutex)) return -ERESTARTSYS; // FIXME -EINTR? - if (!cs->open_count) + if (!cs->connected) { + gig_dbg(DEBUG_IF, "not connected"); + retval = -ENODEV; + } else if (!cs->open_count) dev_warn(cs->dev, "%s: device not opened\n", __func__); else if (cs->mstate != MS_LOCKED) { dev_warn(cs->dev, "can't write to unlocked device\n"); retval = -EBUSY; - } else if (!cs->connected) { - gig_dbg(DEBUG_ANY, "can't write to unplugged device"); - retval = -EBUSY; //FIXME } else { retval = cs->ops->write_cmd(cs, buf, count, &cs->if_wake_tasklet); @@ -394,14 +392,14 @@ static int if_write_room(struct tty_struct *tty) if (mutex_lock_interruptible(&cs->mutex)) return -ERESTARTSYS; // FIXME -EINTR? - if (!cs->open_count) + if (!cs->connected) { + gig_dbg(DEBUG_IF, "not connected"); + retval = -ENODEV; + } else if (!cs->open_count) dev_warn(cs->dev, "%s: device not opened\n", __func__); else if (cs->mstate != MS_LOCKED) { dev_warn(cs->dev, "can't write to unlocked device\n"); retval = -EBUSY; - } else if (!cs->connected) { - gig_dbg(DEBUG_ANY, "can't write to unplugged device"); - retval = -EBUSY; //FIXME } else retval = cs->ops->write_room(cs); @@ -426,14 +424,14 @@ static int if_chars_in_buffer(struct tty_struct *tty) if (mutex_lock_interruptible(&cs->mutex)) return -ERESTARTSYS; // FIXME -EINTR? - if (!cs->open_count) + if (!cs->connected) { + gig_dbg(DEBUG_IF, "not connected"); + retval = -ENODEV; + } else if (!cs->open_count) dev_warn(cs->dev, "%s: device not opened\n", __func__); else if (cs->mstate != MS_LOCKED) { dev_warn(cs->dev, "can't write to unlocked device\n"); retval = -EBUSY; - } else if (!cs->connected) { - gig_dbg(DEBUG_ANY, "can't write to unplugged device"); - retval = -EBUSY; //FIXME } else retval = cs->ops->chars_in_buffer(cs); @@ -456,7 +454,9 @@ static void if_throttle(struct tty_struct *tty) mutex_lock(&cs->mutex); - if (!cs->open_count) + if (!cs->connected) + gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ + else if (!cs->open_count) dev_warn(cs->dev, "%s: device not opened\n", __func__); else { //FIXME @@ -479,7 +479,9 @@ static void if_unthrottle(struct tty_struct *tty) mutex_lock(&cs->mutex); - if (!cs->open_count) + if (!cs->connected) + gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ + else if (!cs->open_count) dev_warn(cs->dev, "%s: device not opened\n", __func__); else { //FIXME @@ -506,13 +508,13 @@ static void if_set_termios(struct tty_struct *tty, struct ktermios *old) mutex_lock(&cs->mutex); - if (!cs->open_count) { - dev_warn(cs->dev, "%s: device not opened\n", __func__); + if (!cs->connected) { + gig_dbg(DEBUG_IF, "not connected"); goto out; } - if (!cs->connected) { - gig_dbg(DEBUG_ANY, "can't communicate with unplugged device"); + if (!cs->open_count) { + dev_warn(cs->dev, "%s: device not opened\n", __func__); goto out; } |