netdev - Re: myri10ge: fix sleeping with bh disabled

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Message-Id: <20160428.142142.1324480837935590925.davem@davemloft.net>
Date:	Thu, 28 Apr 2016 14:21:42 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	sgruszka@...hat.com
Cc:	netdev@...r.kernel.org, hykim@...i.com
Subject: Re: myri10ge: fix sleeping with bh disabled

From: Stanislaw Gruszka <sgruszka@...hat.com>
Date: Mon, 25 Apr 2016 10:59:19 +0200

> napi_disable() can not be called with bh disabled, move locking just
> around myri10ge_ss_lock_napi() .
> 
> Patches fixes following bug:
> 
> [  114.278378] BUG: sleeping function called from invalid context at net/core/dev.c:4383 
> <snip>
> [  114.313712] Call Trace: 
> [  114.314943]  [<ffffffff817010ce>] dump_stack+0x19/0x1b 
> [  114.317673]  [<ffffffff810ce7f3>] __might_sleep+0x173/0x230 
> [  114.320566]  [<ffffffff815b3117>] napi_disable+0x27/0x90 
> [  114.323254]  [<ffffffffa01e437f>] myri10ge_close+0xbf/0x3f0 [myri10ge] 
> 
> Signed-off-by: Stanislaw Gruszka <sgruszka@...hat.com>

Applied.