Re: [PATCH 1/2 V3] kaweth: Fix locking to be SMP-safe

From: Larry Finger
Date: Thu Apr 02 2009 - 11:07:40 EST


Herbert Xu wrote:
> Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote:
>> @@ -796,7 +795,7 @@ static int kaweth_start_xmit(struct sk_b
>>
>> int res;
>>
>> - spin_lock(&kaweth->device_lock);
>> + spin_lock_irq(&kaweth->device_lock);
>
> Should be irqsave unless you don't expect to be called via netpoll.

The .ndo_poll_controller callback is left at NULL in this driver. I believe the
patch to be OK.

Larry
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