From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH net-next] ieee802154: fix variable declaration and
 initializer
Date: Tue, 18 Mar 2014 22:13:06 -0700
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Cc: Joe Perches <joe@perches.com>,
	Alexander Smirnov <alex.bluesman.smirnov@gmail.com>,
	Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
	linux-zigbee-devel@lists.sourceforge.net, netdev@vger.kernel.org,
	Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
To: Jean Sacren <sakiwit@gmail.com>
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On Tue, 2014-03-18 at 22:56 -0600, Jean Sacren wrote:
> Stating it is a "fix" is not a false statement at all. !! falsely
> changes the value to be int TWICE for nothing! Are you still not
> convinced?

I think you are mistaken.

X = !!(a) makes sure X is 0 or 1.

Its a valid and useful construct.

There is no _bug_ here.