From: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Date: Tue, 11 Jun 2013 10:41:47 +0000 (+0300)
Subject: usb: chipidea: fix no transceiver case
X-Git-Tag: v3.10-rc6~8^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d343f4e8d6e4e4237b25b32e4f6a09d1281d4ca3;p=pandora-kernel.git

usb: chipidea: fix no transceiver case

Since usb phy code does return ERR_PTR() values, make sure that we don't
end up dereferencing them. This is a problem, for example, on platforms
that don't register a phy for chipidea since b7fa5c2a ("usb: phy: return
-ENXIO when PHY layer isn't enabled").

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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