linux-kernel - Re: [PATCH 20/38] net: brcm80211: fix range check

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Message-Id: <20150922.161541.158654696480248167.davem@davemloft.net>
Date:	Tue, 22 Sep 2015 16:15:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	a.hajda@...sung.com
Cc:	linux-kernel@...r.kernel.org, b.zolnierkie@...sung.com,
	m.szyprowski@...sung.com, brudley@...adcom.com, arend@...adcom.com,
	frankyl@...adcom.com, meuleman@...adcom.com, kvalo@...eaurora.org,
	linux-wireless@...r.kernel.org, brcm80211-dev-list@...adcom.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH 20/38] net: brcm80211: fix range check

From: Andrzej Hajda <a.hajda@...sung.com>
Date: Mon, 21 Sep 2015 15:33:52 +0200

> Unsigned minus constant is still unsigned so checking its sign makes no
> sense.
> 
> The problem has been detected using proposed semantic patch
> scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
> 
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
> 
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>

Applied.
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