diff options
Diffstat (limited to 'drivers/char/synclink.c')
| -rw-r--r-- | drivers/char/synclink.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 1c9c440f59ce..dbbd998ae103 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -3157,8 +3157,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) if (info->flags & ASYNC_INITIALIZED) mgsl_wait_until_sent(tty, info->timeout); - if (tty->driver->flush_buffer) - tty->driver->flush_buffer(tty); + mgsl_flush_buffer(tty); tty_ldisc_flush(tty); @@ -3221,7 +3220,8 @@ static void mgsl_wait_until_sent(struct tty_struct *tty, int timeout) * interval should also be less than the 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) @@ -3251,6 +3251,7 @@ static void mgsl_wait_until_sent(struct tty_struct *tty, int timeout) break; } } + unlock_kernel(); exit: if (debug_level >= DEBUG_LEVEL_INFO) |