diff options
Diffstat (limited to 'drivers/char/n_r3964.c')
| -rw-r--r-- | drivers/char/n_r3964.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c index 14557a4822c..6b918b80f73 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/char/n_r3964.c @@ -1071,8 +1071,6 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file, struct r3964_client_info *pClient; struct r3964_message *pMsg; struct r3964_client_message theMsg; - DECLARE_WAITQUEUE(wait, current); - int count; TRACE_L("read()"); @@ -1086,16 +1084,8 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file, return -EAGAIN; } /* block until there is a message: */ - add_wait_queue(&pInfo->read_wait, &wait); -repeat: - __set_current_state(TASK_INTERRUPTIBLE); - pMsg = remove_msg(pInfo, pClient); - if (!pMsg && !signal_pending(current)) { - schedule(); - goto repeat; - } - __set_current_state(TASK_RUNNING); - remove_wait_queue(&pInfo->read_wait, &wait); + wait_event_interruptible(pInfo->read_wait, + (pMsg = remove_msg(pInfo, pClient))); } /* If we still haven't got a message, we must have been signalled */ |