From: Johan Hovold <jhovold@gmail.com>
Date: Fri, 26 Jul 2013 09:55:17 +0000 (+0200)
Subject: USB: mos7840: fix race in register handling
X-Git-Tag: v3.11-rc4~26^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8a083cc746664916d9d36ed9e4d08a29525f245;p=pandora-kernel.git

USB: mos7840: fix race in register handling

Fix race in mos7840_get_reg which unconditionally manipulated the
control urb (which may already be in use) by adding a control-urb busy
flag.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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