summaryrefslogtreecommitdiffstats
path: root/drivers/char/synclink.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/synclink.c')
-rw-r--r--drivers/char/synclink.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 1c9c440..dbbd998 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)
OpenPOWER on IntegriCloud