diff options
Diffstat (limited to 'drivers/char/synclink_gt.c')
| -rw-r--r-- | drivers/char/synclink_gt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index 6473ae023466..1a11717b1adc 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -771,8 +771,7 @@ static void close(struct tty_struct *tty, struct file *filp) if (info->flags & ASYNC_INITIALIZED) wait_until_sent(tty, info->timeout); - if (tty->driver->flush_buffer) - tty->driver->flush_buffer(tty); + flush_buffer(tty); tty_ldisc_flush(tty); shutdown(info); @@ -967,6 +966,8 @@ static void wait_until_sent(struct tty_struct *tty, int timeout) * Note: use tight timings here to satisfy the NIST-PCTS. */ + lock_kernel(); + if (info->params.data_rate) { char_time = info->timeout/(32 * 5); if (!char_time) @@ -984,6 +985,7 @@ static void wait_until_sent(struct tty_struct *tty, int timeout) if (timeout && time_after(jiffies, orig_jiffies + timeout)) break; } + unlock_kernel(); exit: DBGINFO(("%s wait_until_sent exit\n", info->device_name)); |