From 8668fdd6efb3a75e0d58a3287a47fa7e60a68a73 Mon Sep 17 00:00:00 2001
From: Eric Lapuyade <eric.lapuyade@intel.com>
Date: Thu, 3 May 2012 16:21:58 +0200
Subject: [PATCH] NFC: Core must test the device polling state inside the
 device lock

There can ever be only one call to nfc_targets_found() after polling
has been engaged. This could be from a target discovered event from
the driver, or from an error handler to notify poll will never complete.

Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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