From 53637e0760d56274177be7e6d630490bc49766c1 Mon Sep 17 00:00:00 2001
From: Aaron Lu <aaron.lu@intel.com>
Date: Mon, 28 Jan 2013 13:08:02 +0800
Subject: [PATCH] [libata] fix smatch warning for zpodd_wake_dev

Fix a smatch warning caused by an useless pointer check.
The context parameter (aka. ata_dev) will never be NULL until we remove
the acpi notification handler, so it is pointless to check it for NULL.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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