usb/core/devio.c: Check for printer class specific request
authorMatthias Dellweg <2500@gmx.de>
Sun, 25 Sep 2011 12:26:25 +0000 (14:26 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 26 Sep 2011 23:30:47 +0000 (16:30 -0700)
commit393cbb5151ecda9f9e14e3082d048dd27a1ff9f6
tree332ed1304482853188a6cb20d3d23ba6348a50e3
parentaec01c5895051849ed842dc5b8794017a7751f28
usb/core/devio.c: Check for printer class specific request

In the usb printer class specific request get_device_id the value of
wIndex is (interface << 8 | altsetting) instead of just interface.
This enables the detection of some printers with libusb.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Matthias Dellweg <2500@gmx.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/core/devio.c