usb: gadget: rndis: don't test against req->length
commitac57b58b06df77d17383f14e87da85ddc5e7c35b
authorFelipe Balbi <balbi@ti.com>
Fri, 13 May 2011 13:53:48 +0000 (13 16:53 +0300)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 3 Jun 2011 01:34:25 +0000 (3 10:34 +0900)
tree833580c2aef322bf6b7578f3af63c361de13cd0d
parent73758f998dc8b4528e031d3428573bb3aef5c77b
usb: gadget: rndis: don't test against req->length

commit 472b91274a6c6857877b5caddb875dcb5ecdfcb8 upstream.

composite.c always sets req->length to zero
and expects function driver's setup handlers
to return the amount of bytes to be used
on req->length. If we test against req->length
w_length will always be greater than req->length
thus making us always stall that particular
SEND_ENCAPSULATED_COMMAND request.

Tested against a Windows XP SP3.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/gadget/f_rndis.c