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authorPeter Hurley2013-03-11 21:44:31 +0100
committerGreg Kroah-Hartman2013-03-19 00:38:58 +0100
commit25518c68b334aa977d857dd71dd53f694ffb11e8 (patch)
tree49a71ffce534e8752abca82b0b19697e3d0aabad /drivers/tty/n_tty.c
parenttty: Wait for SAK work before waiting for hangup work (diff)
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n_tty: Correct unthrottle-with-buffer-flush comments
The driver is no longer unthrottled on buffer reset, so remove comments that claim it is. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/n_tty.c')
-rw-r--r--drivers/tty/n_tty.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 15f7195f4b4c..0d3f715de7d2 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -198,9 +198,8 @@ static void put_tty_queue(unsigned char c, struct n_tty_data *ldata)
* reset_buffer_flags - reset buffer state
* @tty: terminal to reset
*
- * Reset the read buffer counters, clear the flags,
- * and make sure the driver is unthrottled. Called
- * from n_tty_open() and n_tty_flush_buffer().
+ * Reset the read buffer counters and clear the flags.
+ * Called from n_tty_open() and n_tty_flush_buffer().
*
* Locking: tty_read_lock for read fields.
*/
@@ -239,17 +238,15 @@ static void n_tty_packet_mode_flush(struct tty_struct *tty)
* n_tty_flush_buffer - clean input queue
* @tty: terminal device
*
- * Flush the input buffer. Called when the line discipline is
- * being closed, when the tty layer wants the buffer flushed (eg
- * at hangup) or when the N_TTY line discipline internally has to
- * clean the pending queue (for example some signals).
+ * Flush the input buffer. Called when the tty layer wants the
+ * buffer flushed (eg at hangup) or when the N_TTY line discipline
+ * internally has to clean the pending queue (for example some signals).
*
* Locking: ctrl_lock, read_lock.
*/
static void n_tty_flush_buffer(struct tty_struct *tty)
{
- /* clear everything and unthrottle the driver */
reset_buffer_flags(tty);
if (tty->link)