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(parent: 4ea1533) | patch
gigaset: prune use of tty_buffer_request_room
authorTilman Schmidt <tilman@imap.cc>
Sun, 14 Mar 2010 12:58:05 +0000 (12:58 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 1 Apr 2010 22:58:24 +0000 (15:58 -0700)
commitbddf110a16cb4095ae2b8105133f4bdb618a8ea9
tree22436b12e34f217857cb83f54551f014a548ad15tree | snapshot
parent4ea1533c2bfcda2eccf6167a565385ece50b9cb9commit | 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>
drivers/isdn/gigaset/interface.c diff | blob | history
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