From: Johan Hovold <jhovold@gmail.com>
Date: Wed, 25 Apr 2012 13:56:31 +0000 (+0200)
Subject: USB: pl2303: fix abuse of interface data
X-Git-Tag: v3.5-rc1~149^2~315
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f1efd6c5aa63ddcfe1ffc60ade716f5421766f4;p=pandora-kernel.git

USB: pl2303: fix abuse of interface data

Fix abuse of interface data which was used to signal device disconnect.

Use the usb_serial disconnect flag and mutex where appropriate.

Note that tiocmget does not need to check for disconnect as it does not
access the device.

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