From: axel lin <axel.lin@gmail.com>
Date: Thu, 25 Aug 2011 16:42:09 +0000 (-0700)
Subject: Input: cm109 - fix checking return value of usb_control_msg
X-Git-Tag: v3.1-rc7~28^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b727acc412c9320dc56a0fd7312febf8710ac0e;p=pandora-kernel.git

Input: cm109 - fix checking return value of usb_control_msg

If successful, usb_control_msg returns the number of bytes transferred,
otherwise a negative error number.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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