Messages in this thread Patch in this message | | | From | Tilman Schmidt <> | Subject | [PATCH 3/3] gigaset: prune use of tty_buffer_request_room | Date | Sun, 14 Mar 2010 23:58:05 +0100 (CET) |
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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> CC: Alan Cox <alan@lxorguk.ukuu.org.uk>, stable@kernel.org --- Note to -stable: applies correctly to 2.6.33 with fuzz 2.
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 a1bcbc2..f0dc6c9 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -628,7 +628,6 @@ void gigaset_if_receive(struct cardstate *cs, if (tty == NULL) gig_dbg(DEBUG_IF, "receive on closed device"); else { - tty_buffer_request_room(tty, len); tty_insert_flip_string(tty, buffer, len); tty_flip_buffer_push(tty); } -- 1.6.5.3.298.g39add
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