From: Johan Hovold <jhovold@gmail.com>
Date: Mon, 26 May 2014 17:23:42 +0000 (+0200)
Subject: USB: cdc-acm: fix open and suspend race
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~34^2~89
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=703df3297fb1950b0aa53e656108eb936d3f21d9;p=pandora-kernel.git

USB: cdc-acm: fix open and suspend race

We must not do the usb_autopm_put_interface() before submitting the read
urbs or we might end up doing I/O to a suspended device.

Fixes: 088c64f81284 ("USB: cdc-acm: re-write read processing")
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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