From 4f7faa3f2b99f8fb246c8cdeef971e55ceda4e52 Mon Sep 17 00:00:00 2001
From: Tejun Heo <htejun@gmail.com>
Date: Wed, 30 Jan 2008 18:18:26 +0900
Subject: [PATCH] libata: make EH fail gracefully if no reset method is
 available

When no reset method is available, libata currently oopses.  Although
the condition can't happen unless there's a bug in a low level driver,
oopsing isn't the best way to report the error condition.  Complain,
dump stack and fail reset instead.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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