netdev - Re: [PATCH net] bnx2x: fix lockdep splat

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Message-Id: <20150628.170400.2002665011954929800.davem@davemloft.net>
Date:	Sun, 28 Jun 2015 17:04:00 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, Michal.Kalderon@...gic.com,
	Yuval.Mintz@...gic.com, Ariel.Elior@...gic.com, decot@...glers.com,
	walken@...gle.com
Subject: Re: [PATCH net] bnx2x: fix lockdep splat

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 26 Jun 2015 07:32:29 +0200

> From: Eric Dumazet <edumazet@...gle.com>
> 
> Michel reported following lockdep splat
 ...
> As bnx2x_init_ptp() is only called if bp->flags contains PTP_SUPPORTED,
> we also need to guard bnx2x_stop_ptp() with same condition, otherwise
> ptp_task workqueue is not initialized and kernel barfs on
> cancel_work_sync()
> 
> Fixes: eeed018cbfa30 ("bnx2x: Add timestamping and PTP hardware clock support")
> Reported-by: Michel Lespinasse <walken@...gle.com> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied and queued up for -stable, thanks.
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