From de5535f5f508466cd5796d4e14ad4f301ff86a26 Mon Sep 17 00:00:00 2001
From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Thu, 6 Jun 2013 01:27:15 +0400
Subject: [PATCH] USB: fix PTR_ERR translation in init_usb_class()

There is a misprint in init_usb_class():
IS_ERR is used to get error code instead of PTR_ERR.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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