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 15:58:24 -0700 |
| commit | bddf110a16cb4095ae2b8105133f4bdb618a8ea9 (patch) | |
| tree | 22436b12e34f217857cb83f54551f014a548ad15 | |
| parent | 4ea1533c2bfcda2eccf6167a565385ece50b9cb9 (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>
| -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 6a8e1384e7bd..b3065b8b2456 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -635,7 +635,6 @@ void gigaset_if_receive(struct cardstate *cs, if ((tty = cs->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); } |