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usb serial: more fixes and groundwork for tty changes

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- If a termios change fails due to lack of memory we should copy the
   old settings back over as the device has not changed
 - Note various locking problems
 - kl5kusb105 had various remaining tty flag handling problems
 - Make safe_serial use tty_insert_flip_string not open coded loops
 - set termios speed properly in usb_serial

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox
2008-04-08 17:16:06 +01:00
committed by Greg Kroah-Hartman
parent 441b62c1ed
commit a5b6f60c5a
16 changed files with 95 additions and 69 deletions
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1
drivers/usb/serial/mos7720.c
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@@ -635,6 +635,7 @@ static int mos7720_write_room(struct usb_serial_port *port)
return -ENODEV;
}
/* FIXME: Locking */
for (i = 0; i < NUM_URBS; ++i) {
if (mos7720_port->write_urb_pool[i] && mos7720_port->write_urb_pool[i]->status != -EINPROGRESS)
room += URB_TRANSFER_BUFFER_SIZE;