diff options
| author | Tilman Schmidt <tilman@imap.cc> | 2010-03-14 12:58:05 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-01 16:01:27 -0700 |
| commit | 49a80f179a3a8ba7c18db26dbfa9a4bca65602a0 (patch) | |
| tree | e0030957e1cb1900dd85f7bfda97f3ff9e1f17b4 /drivers/isdn | |
| parent | cfbb7c7fb13394c0b501939f721ffa83c604f647 (diff) | |
gigaset: prune use of tty_buffer_request_room
commit 873a69a358a6b393fd8d9d92e193ec8895cac4d7 upstream.
Calling tty_buffer_request_room() before tty_insert_flip_string()
is unnecessary, costs CPU and for big buffers can mess up the
multi-page allocation avoidance.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Acked-by: Karsten Keil <keil@b1-systems.de>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/isdn')
| -rw-r--r-- | drivers/isdn/gigaset/interface.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c index d2260b0055f..07bb299da73 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -632,7 +632,6 @@ void gigaset_if_receive(struct cardstate *cs, if (tty == NULL) gig_dbg(DEBUG_ANY, "receive on closed device"); else { - tty_buffer_request_room(tty, len); tty_insert_flip_string(tty, buffer, len); tty_flip_buffer_push(tty); } |