tree 3528621937692e28081f71131cddc3130e2641ad
parent 2832fc11f1360668482beec06dbcd631ae5f0cf1
author Alan Cox <alan@linux.intel.com> 1266511441 +0000
committer Greg Kroah-Hartman <gregkh@suse.de> 1267570512 -0800

USB: tty: Prune uses of tty_request_room in the USB layer

We have lots of callers that do not need to do this in the first place.
Remove the calls as they both cost CPU and for big buffers can mess up the
multi-page allocation avoidance.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>