From a831b9132065e1aa18acd7910d5f9c164a2f350f Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Thu, 28 Jun 2012 16:41:57 +0200
Subject: [PATCH] NFC: Do not return EBUSY when stopping a poll that's already
 stopped

We check for the polling flag before checking if the netlink PID caller
match.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Reading git-format-patch failed