linux-kernel - Avoid deadlock situation due to use of xmit

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Date:   Sat,  3 Dec 2016 00:06:04 +0100
From:   Lino Sanfilippo <LinoSanfilippo@....de>
To:     bh74.an@...sung.com, ks.giri@...sung.com, vipul.pandya@...sung.com,
        peppe.cavallaro@...com, alexandre.torgue@...com
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Avoid deadlock situation due to use of xmit_lock

Hi,

after stumbling over a potential deadlock situation in the altera driver 
(see http://marc.info/?l=linux-netdev&m=148054615230447&w=2), I checked
all other ethernet drivers for the same issue and actually found it in 2
more, namely stmmac, and sxgbe. Please see the commit messages for a 
description of the problem.
These 2 patches fix the concerning drivers.

Regards,
Lino