netdev - Re: fec_main: context imbalance in 'fec_set

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Date:	Thu, 9 Oct 2014 08:20:20 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	"fugang.duan@...escale.com" <fugang.duan@...escale.com>
Cc:	"Frank.Li@...escale.com" <Frank.Li@...escale.com>,
	"David S. Miller" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-sparse@...r.kernel.org" <linux-sparse@...r.kernel.org>
Subject: Re: fec_main: context imbalance in 'fec_set_features'

Hi Fugang,

On Thu, Oct 9, 2014 at 6:55 AM, fugang.duan@...escale.com
<fugang.duan@...escale.com> wrote:

> I run sparse and cannot get any warning.

Try it on linux-next with the following command:

make -j4 C=1  2>fect.txt drivers/net/ethernet/freescale/fec_main.o

cat v6.txt
drivers/net/ethernet/freescale/fec_main.c:2916:12: warning: context
imbalance in 'fec_set_features' - different lock contexts for basic
block
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